79245940 has 24 divisors (see below), whose sum is σ = 168763392. Its totient is φ = 31251360.

The previous prime is 79245919. The next prime is 79245973. The reversal of 79245940 is 4954297.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 79245893 and 79245902.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 26484 + ... + 29323.

It is an arithmetic number, because the mean of its divisors is an integer number (7031808).

Almost surely, 2^79245940 is an apocalyptic number.

It is an amenable number.

79245940 is an abundant number, since it is smaller than the sum of its proper divisors (89517452).

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

79245940 is a wasteful number, since it uses less digits than its factorization.

79245940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55887 (or 55885 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 79245940 is about 8902.0188721436. The cubic root of 79245940 is about 429.5288511787.

The spelling of 79245940 in words is "seventy-nine million, two hundred forty-five thousand, nine hundred forty".