79370040 has 32 divisors (see below), whose sum is σ = 238110480. Its totient is φ = 21165312.

The previous prime is 79370023. The next prime is 79370077. The reversal of 79370040 is 4007397.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 330589 + ... + 330828.

Almost surely, 2^79370040 is an apocalyptic number.

It is an amenable number.

79370040 is an abundant number, since it is smaller than the sum of its proper divisors (158740440).

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

79370040 is a wasteful number, since it uses less digits than its factorization.

79370040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661431 (or 661427 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 79370040 is about 8908.9864743415. The cubic root of 79370040 is about 429.7529498495.

The spelling of 79370040 in words is "seventy-nine million, three hundred seventy thousand, forty".