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72734694 = 2323527063
BaseRepresentation
bin1000101010111…
…01011111100110
312001212022020120
410111131133212
5122110002234
611114542410
71542143334
oct425353746
9161768216
1072734694
113806971a
1220437a06
13120b84a6
149934b54
1565bb049
hex455d7e6

72734694 has 16 divisors (see below), whose sum is σ = 151794432. Its totient is φ = 23190728.

The previous prime is 72734693. The next prime is 72734707. The reversal of 72734694 is 49643727.

It is a super-2 number, since 2×727346942 = 10580671422547272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72734693) 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, 263394 + ... + 263669.

It is an arithmetic number, because the mean of its divisors is an integer number (9487152).

Almost surely, 272734694 is an apocalyptic number.

72734694 is an abundant number, since it is smaller than the sum of its proper divisors (79059738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72734694 is a wasteful number, since it uses less digits than its factorization.

72734694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527091.

The product of its digits is 254016, while the sum is 42.

The square root of 72734694 is about 8528.4637538070. The cubic root of 72734694 is about 417.4270019504.

The spelling of 72734694 in words is "seventy-two million, seven hundred thirty-four thousand, six hundred ninety-four".

Divisors: 1 2 3 6 23 46 69 138 527063 1054126 1581189 3162378 12122449 24244898 36367347 72734694