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72964793 = 1131213973
BaseRepresentation
bin1000101100101…
…01101010111001
312002021222212202
410112111222321
5122134333133
611123515545
71544122226
oct426255271
9162258782
1072964793
1138206590
1220528bb5
1312169145
14999494d
1566142e8
hex4595ab9

72964793 has 8 divisors (see below), whose sum is σ = 82166016. Its totient is φ = 64191600.

The previous prime is 72964753. The next prime is 72964811. The reversal of 72964793 is 39746927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72964793 - 28 = 72964537 is a prime.

It is a super-2 number, since 2×729647932 = 10647722035065698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72964753) 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, 106646 + ... + 107327.

It is an arithmetic number, because the mean of its divisors is an integer number (10270752).

Almost surely, 272964793 is an apocalyptic number.

It is an amenable number.

72964793 is a deficient number, since it is larger than the sum of its proper divisors (9201223).

72964793 is a wasteful number, since it uses less digits than its factorization.

72964793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214015.

The product of its digits is 571536, while the sum is 47.

The square root of 72964793 is about 8541.9431630045. The cubic root of 72964793 is about 417.8667207083.

The spelling of 72964793 in words is "seventy-two million, nine hundred sixty-four thousand, seven hundred ninety-three".

Divisors: 1 11 31 341 213973 2353703 6633163 72964793