79475329 has 2 divisors, whose sum is σ = 79475330. Its totient is φ = 79475328.

The previous prime is 79475321. The next prime is 79475353. The reversal of 79475329 is 92357497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48650625 + 30824704 = 6975^2 + 5552^2 .

It is an emirp because it is prime and its reverse (92357497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79475329 - 2³ = 79475321 is a prime.

It is not a weakly prime, because it can be changed into another prime (79475321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39737664 + 39737665.

It is an arithmetic number, because the mean of its divisors is an integer number (39737665).

Almost surely, 2^79475329 is an apocalyptic number.

It is an amenable number.

79475329 is a deficient number, since it is larger than the sum of its proper divisors (1).

79475329 is an equidigital number, since it uses as much as digits as its factorization.

79475329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 46.

The square root of 79475329 is about 8914.8936617326. The cubic root of 79475329 is about 429.9428966897.

The spelling of 79475329 in words is "seventy-nine million, four hundred seventy-five thousand, three hundred twenty-nine".