79526420 has 24 divisors (see below), whose sum is σ = 168731304. Its totient is φ = 31481856.

The previous prime is 79526413. The next prime is 79526437. The reversal of 79526420 is 2462597.

It can be written as a sum of positive squares in 4 ways, for example, as 743044 + 78783376 = 862^2 + 8876^2 .

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, 18557 + ... + 22436.

It is an arithmetic number, because the mean of its divisors is an integer number (7030471).

Almost surely, 2^79526420 is an apocalyptic number.

It is an amenable number.

79526420 is an abundant number, since it is smaller than the sum of its proper divisors (89204884).

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

79526420 is a wasteful number, since it uses less digits than its factorization.

79526420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41099 (or 41097 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 79526420 is about 8917.7586870244. The cubic root of 79526420 is about 430.0350070652.

The spelling of 79526420 in words is "seventy-nine million, five hundred twenty-six thousand, four hundred twenty".