79503040 has 28 divisors (see below), whose sum is σ = 189317376. Its totient is φ = 31801088.

The previous prime is 79502989. The next prime is 79503079. The reversal of 79503040 is 4030597.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123904 + ... + 124543.

Almost surely, 2^79503040 is an apocalyptic number.

It is an amenable number.

79503040 is an abundant number, since it is smaller than the sum of its proper divisors (109814336).

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

79503040 is a wasteful number, since it uses less digits than its factorization.

79503040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248464 (or 248454 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 79503040 is about 8916.4477231687. The cubic root of 79503040 is about 429.9928608874.

The spelling of 79503040 in words is "seventy-nine million, five hundred three thousand, forty".