79524940 has 48 divisors (see below), whose sum is σ = 186084864. Its totient is φ = 28299200.

The previous prime is 79524901. The next prime is 79524941. The reversal of 79524940 is 4942597.

It is a junction number, because it is equal to n+sod(n) for n = 79524893 and 79524902.

It is not an unprimeable number, because it can be changed into a prime (79524941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6495 + ... + 14185.

It is an arithmetic number, because the mean of its divisors is an integer number (3876768).

Almost surely, 2^79524940 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 79524940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93042432).

79524940 is an abundant number, since it is smaller than the sum of its proper divisors (106559924).

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

79524940 is a wasteful number, since it uses less digits than its factorization.

79524940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7758 (or 7756 counting only the distinct ones).

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

The square root of 79524940 is about 8917.6757061468. The cubic root of 79524940 is about 430.0323393741.

The spelling of 79524940 in words is "seventy-nine million, five hundred twenty-four thousand, nine hundred forty".