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73732342369 = 72387912
BaseRepresentation
bin100010010101011001…
…0100100001001100001
321001022112102002002011
41010222302210021201
52202000434423434
653512215552521
75220104366200
oct1045262441141
9231275362064
1073732342369
11292a6a92144
121235898b741
136c5078346a
1437d65b5237
151db8114e64
hex112aca4261

73732342369 has 9 divisors (see below), whose sum is σ = 85772486961. Its totient is φ = 63197521380.

The previous prime is 73732342361. The next prime is 73732342373. The reversal of 73732342369 is 96324323737.

The square root of 73732342369 is 271537.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 73732342369 - 23 = 73732342361 is a prime.

It is a super-2 number, since 2×737323423692 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (73732342361) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1881364 + ... + 1920154.

It is an arithmetic number, because the mean of its divisors is an integer number (9530276329).

Almost surely, 273732342369 is an apocalyptic number.

73732342369 is the 271537-th square number.

73732342369 is the 135769-th centered octagonal number.

It is an amenable number.

73732342369 is a deficient number, since it is larger than the sum of its proper divisors (12040144592).

73732342369 is an frugal number, since it uses more digits than its factorization.

73732342369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77596 (or 38798 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 49.

Multiplying 73732342369 by its sum of digits (49), we get a square (3612884776081 = 19007592).

73732342369 divided by its sum of digits (49) gives a square (1504741681 = 387912).

The spelling of 73732342369 in words is "seventy-three billion, seven hundred thirty-two million, three hundred forty-two thousand, three hundred sixty-nine".

Divisors: 1 7 49 38791 271537 1900759 1504741681 10533191767 73732342369