79532315 has 4 divisors (see below), whose sum is σ = 95438784. Its totient is φ = 63625848.

The previous prime is 79532263. The next prime is 79532317. The reversal of 79532315 is 51323597.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79532315 - 2²⁰ = 78483739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79532317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7953227 + ... + 7953236.

It is an arithmetic number, because the mean of its divisors is an integer number (23859696).

Almost surely, 2^79532315 is an apocalyptic number.

79532315 is a deficient number, since it is larger than the sum of its proper divisors (15906469).

79532315 is a wasteful number, since it uses less digits than its factorization.

79532315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15906468.

The product of its digits is 28350, while the sum is 35.

The square root of 79532315 is about 8918.0892011686. The cubic root of 79532315 is about 430.0456324386.

The spelling of 79532315 in words is "seventy-nine million, five hundred thirty-two thousand, three hundred fifteen".