79124929 has 8 divisors (see below), whose sum is σ = 85303400. Its totient is φ = 72959616.

The previous prime is 79124897. The next prime is 79124939. The reversal of 79124929 is 92942197.

It can be written as a sum of positive squares in 4 ways, for example, as 7756225 + 71368704 = 2785^2 + 8448^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79124929 - 2⁵ = 79124897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79124939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11797 + ... + 17245.

It is an arithmetic number, because the mean of its divisors is an integer number (10662925).

Almost surely, 2^79124929 is an apocalyptic number.

It is an amenable number.

79124929 is a deficient number, since it is larger than the sum of its proper divisors (6178471).

79124929 is a wasteful number, since it uses less digits than its factorization.

79124929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6579.

The product of its digits is 81648, while the sum is 43.

The square root of 79124929 is about 8895.2194464218. The cubic root of 79124929 is about 429.3101051859.

The spelling of 79124929 in words is "seventy-nine million, one hundred twenty-four thousand, nine hundred twenty-nine".