79651072 has 18 divisors (see below), whose sum is σ = 158991518. Its totient is φ = 39825408.

The previous prime is 79651067. The next prime is 79651109. The reversal of 79651072 is 27015697.

It can be written as a sum of positive squares in only one way, i.e., 65028096 + 14622976 = 8064^2 + 3824^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155313 + ... + 155824.

Almost surely, 2^79651072 is an apocalyptic number.

It is an amenable number.

79651072 is a deficient number, since it is larger than the sum of its proper divisors (79340446).

79651072 is an equidigital number, since it uses as much as digits as its factorization.

79651072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311153 (or 311139 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 79651072 is about 8924.7449263270. The cubic root of 79651072 is about 430.2595728588.

The spelling of 79651072 in words is "seventy-nine million, six hundred fifty-one thousand, seventy-two".