79636945 has 8 divisors (see below), whose sum is σ = 95855040. Its totient is φ = 63515760.

The previous prime is 79636943. The next prime is 79636967. The reversal of 79636945 is 54963697.

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

It is not a de Polignac number, because 79636945 - 2¹ = 79636943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79636943) 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, 22405 + ... + 25714.

It is an arithmetic number, because the mean of its divisors is an integer number (11981880).

Almost surely, 2^79636945 is an apocalyptic number.

It is an amenable number.

79636945 is a deficient number, since it is larger than the sum of its proper divisors (16218095).

79636945 is a wasteful number, since it uses less digits than its factorization.

79636945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48455.

The product of its digits is 1224720, while the sum is 49.

The square root of 79636945 is about 8923.9534400399. The cubic root of 79636945 is about 430.2341342543.

The spelling of 79636945 in words is "seventy-nine million, six hundred thirty-six thousand, nine hundred forty-five".