79702560 has 144 divisors (see below), whose sum is σ = 310879296. Its totient is φ = 18215424.

The previous prime is 79702537. The next prime is 79702561. The reversal of 79702560 is 6520797.

79702560 is a `hidden beast` number, since 7 + 97 + 0 + 2 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (79702561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6127 + ... + 14033.

It is an arithmetic number, because the mean of its divisors is an integer number (2158884).

Almost surely, 2^79702560 is an apocalyptic number.

79702560 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 79702560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155439648).

79702560 is an abundant number, since it is smaller than the sum of its proper divisors (231176736).

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

79702560 is a wasteful number, since it uses less digits than its factorization.

79702560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935 (or 7924 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 79702560 is about 8927.6290245507. The cubic root of 79702560 is about 430.3522622712.

The spelling of 79702560 in words is "seventy-nine million, seven hundred two thousand, five hundred sixty".