79734636 has 36 divisors (see below), whose sum is σ = 201847464. Its totient is φ = 26539200.

The previous prime is 79734587. The next prime is 79734637. The reversal of 79734636 is 63643797.

79734636 is a `hidden beast` number, since 7 + 9 + 7 + 3 + 4 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×79734636² = 12715224356104992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79734591 and 79734600.

It is not an unprimeable number, because it can be changed into a prime (79734637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33816 + ... + 36096.

It is an arithmetic number, because the mean of its divisors is an integer number (5606874).

Almost surely, 2^79734636 is an apocalyptic number.

It is an amenable number.

79734636 is an abundant number, since it is smaller than the sum of its proper divisors (122112828).

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

79734636 is a wasteful number, since it uses less digits than its factorization.

79734636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262 (or 3257 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 79734636 is about 8929.4252894573. The cubic root of 79734636 is about 430.4099857529.

The spelling of 79734636 in words is "seventy-nine million, seven hundred thirty-four thousand, six hundred thirty-six".