79385240 has 64 divisors (see below), whose sum is σ = 206336160. Its totient is φ = 27166720.

The previous prime is 79385227. The next prime is 79385261. The reversal of 79385240 is 4258397.

It is a junction number, because it is equal to n+sod(n) for n = 79385194 and 79385203.

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 15 ways as a sum of consecutive naturals, for example, 2174 + ... + 12786.

Almost surely, 2^79385240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79385240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103168080).

79385240 is an abundant number, since it is smaller than the sum of its proper divisors (126950920).

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

79385240 is a wasteful number, since it uses less digits than its factorization.

79385240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10652 (or 10648 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 79385240 is about 8909.8395047273. The cubic root of 79385240 is about 429.7803818120.

The spelling of 79385240 in words is "seventy-nine million, three hundred eighty-five thousand, two hundred forty".