79249424 has 10 divisors (see below), whose sum is σ = 153545790. Its totient is φ = 39624704.

The previous prime is 79249381. The next prime is 79249439. The reversal of 79249424 is 42494297.

It can be written as a sum of positive squares in only one way, i.e., 76877824 + 2371600 = 8768^2 + 1540^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2476529 + ... + 2476560.

It is an arithmetic number, because the mean of its divisors is an integer number (15354579).

Almost surely, 2^79249424 is an apocalyptic number.

It is an amenable number.

79249424 is a deficient number, since it is larger than the sum of its proper divisors (74296366).

79249424 is a wasteful number, since it uses less digits than its factorization.

79249424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953097 (or 4953091 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 79249424 is about 8902.2145559406. The cubic root of 79249424 is about 429.5351457455.

The spelling of 79249424 in words is "seventy-nine million, two hundred forty-nine thousand, four hundred twenty-four".