79235694720 has 1024 divisors, whose sum is σ = 354098304000. Its totient is φ = 16296837120.

The previous prime is 79235694709. The next prime is 79235694749. The reversal of 79235694720 is 2749653297.

79235694720 is a `hidden beast` number, since 7 + 9 + 2 + 3 + 569 + 4 + 72 + 0 = 666.

It is a super-2 number, since 2×79235694720² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 64471066 + ... + 64472294.

It is an arithmetic number, because the mean of its divisors is an integer number (345799125).

Almost surely, 2^79235694720 is an apocalyptic number.

79235694720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79235694720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177049152000).

79235694720 is an abundant number, since it is smaller than the sum of its proper divisors (274862609280).

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

79235694720 is a wasteful number, since it uses less digits than its factorization.

79235694720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 79235694720 in words is "seventy-nine billion, two hundred thirty-five million, six hundred ninety-four thousand, seven hundred twenty".