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72341764 = 22112815851
BaseRepresentation
bin1000100111111…
…01100100000100
312001010100020121
410103331210010
5122004414024
611102311324
71535615635
oct423754404
9161110217
1072341764
1137920490
1220288544
1311cab6a1
14987188c
15653e8e4
hex44fd904

72341764 has 24 divisors (see below), whose sum is σ = 138622176. Its totient is φ = 32760000.

The previous prime is 72341761. The next prime is 72341779. The reversal of 72341764 is 46714327.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (72341761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9439 + ... + 15289.

It is an arithmetic number, because the mean of its divisors is an integer number (5775924).

Almost surely, 272341764 is an apocalyptic number.

It is an amenable number.

72341764 is a deficient number, since it is larger than the sum of its proper divisors (66280412).

72341764 is a wasteful number, since it uses less digits than its factorization.

72341764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6147 (or 6145 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 72341764 is about 8505.3961694915. The cubic root of 72341764 is about 416.6739645300.

It can be divided in two parts, 7234 and 1764, that added together give a palindrome (8998).

The spelling of 72341764 in words is "seventy-two million, three hundred forty-one thousand, seven hundred sixty-four".

Divisors: 1 2 4 11 22 44 281 562 1124 3091 5851 6182 11702 12364 23404 64361 128722 257444 1644131 3288262 6576524 18085441 36170882 72341764