79047321 has 8 divisors (see below), whose sum is σ = 106730880. Its totient is φ = 52030992.

The previous prime is 79047317. The next prime is 79047323. The reversal of 79047321 is 12374097.

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

It is not a de Polignac number, because 79047321 - 2² = 79047317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79047323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166530 + ... + 167003.

It is an arithmetic number, because the mean of its divisors is an integer number (13341360).

Almost surely, 2^79047321 is an apocalyptic number.

It is an amenable number.

79047321 is a deficient number, since it is larger than the sum of its proper divisors (27683559).

79047321 is a wasteful number, since it uses less digits than its factorization.

79047321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333615.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 79047321 is about 8890.8560330263. The cubic root of 79047321 is about 429.1696993826.

It can be divided in two parts, 7904 and 7321, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 79047321 in words is "seventy-nine million, forty-seven thousand, three hundred twenty-one".