79632609 has 8 divisors (see below), whose sum is σ = 121344960. Its totient is φ = 45504336.

The previous prime is 79632599. The next prime is 79632611. The reversal of 79632609 is 90623697.

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

It is not a de Polignac number, because 79632609 - 2⁵ = 79632577 is a prime.

It is a super-2 number, since 2×79632609² = 12682704832293762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79632809) 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, 1895994 + ... + 1896035.

It is an arithmetic number, because the mean of its divisors is an integer number (15168120).

Almost surely, 2^79632609 is an apocalyptic number.

It is an amenable number.

79632609 is a deficient number, since it is larger than the sum of its proper divisors (41712351).

79632609 is a wasteful number, since it uses less digits than its factorization.

79632609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792039.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 79632609 is about 8923.7104950799. The cubic root of 79632609 is about 430.2263257802.

The spelling of 79632609 in words is "seventy-nine million, six hundred thirty-two thousand, six hundred nine".