79521337 has 8 divisors (see below), whose sum is σ = 90935936. Its totient is φ = 68120352.

The previous prime is 79521329. The next prime is 79521347. The reversal of 79521337 is 73312597.

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 79521337 - 2³ = 79521329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79521296 and 79521305.

It is not an unprimeable number, because it can be changed into a prime (79521307) 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, 18748 + ... + 22594.

It is an arithmetic number, because the mean of its divisors is an integer number (11366992).

Almost surely, 2^79521337 is an apocalyptic number.

It is an amenable number.

79521337 is a deficient number, since it is larger than the sum of its proper divisors (11414599).

79521337 is a wasteful number, since it uses less digits than its factorization.

79521337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807.

The product of its digits is 39690, while the sum is 37.

The square root of 79521337 is about 8917.4736893360. The cubic root of 79521337 is about 430.0258448500.

The spelling of 79521337 in words is "seventy-nine million, five hundred twenty-one thousand, three hundred thirty-seven".