79072631 has 8 divisors (see below), whose sum is σ = 86346000. Its totient is φ = 71813440.

The previous prime is 79072621. The next prime is 79072687. The reversal of 79072631 is 13627097.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79072631 is a prime.

It is a super-2 number, since 2×79072631² = 12504961946524322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79072591 and 79072600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79072621) 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, 10595 + ... + 16443.

It is an arithmetic number, because the mean of its divisors is an integer number (10793250).

Almost surely, 2^79072631 is an apocalyptic number.

79072631 is a deficient number, since it is larger than the sum of its proper divisors (7273369).

79072631 is a wasteful number, since it uses less digits than its factorization.

79072631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7089.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 79072631 is about 8892.2792916102. The cubic root of 79072631 is about 429.2154994841.

The spelling of 79072631 in words is "seventy-nine million, seventy-two thousand, six hundred thirty-one".