79749056 has 28 divisors (see below), whose sum is σ = 160169352. Its totient is φ = 39391488.

The previous prime is 79749053. The next prime is 79749077. The reversal of 79749056 is 65094797.

It is a super-2 number, since 2×79749056² = 12719823865782272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79749056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79749053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195 + ... + 12818.

It is an arithmetic number, because the mean of its divisors is an integer number (5720334).

Almost surely, 2^79749056 is an apocalyptic number.

It is an amenable number.

79749056 is an abundant number, since it is smaller than the sum of its proper divisors (80420296).

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

79749056 is a wasteful number, since it uses less digits than its factorization.

79749056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15108 (or 15098 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 79749056 is about 8930.2326957364. The cubic root of 79749056 is about 430.4359307215.

The spelling of 79749056 in words is "seventy-nine million, seven hundred forty-nine thousand, fifty-six".