79714640 has 40 divisors (see below), whose sum is σ = 191321088. Its totient is φ = 30856320.

The previous prime is 79714637. The next prime is 79714651. The reversal of 79714640 is 4641797.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 79714594 and 79714603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13592 + ... + 18551.

Almost surely, 2^79714640 is an apocalyptic number.

It is an amenable number.

79714640 is an abundant number, since it is smaller than the sum of its proper divisors (111606448).

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

79714640 is a wasteful number, since it uses less digits than its factorization.

79714640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32187 (or 32181 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 79714640 is about 8928.3055503270. The cubic root of 79714640 is about 430.3740030732.

The spelling of 79714640 in words is "seventy-nine million, seven hundred fourteen thousand, six hundred forty".