79721301 has 16 divisors (see below), whose sum is σ = 116126208. Its totient is φ = 48246000.

The previous prime is 79721281. The next prime is 79721311. The reversal of 79721301 is 10312797.

It is not a de Polignac number, because 79721301 - 2⁶ = 79721237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79721311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29976 + ... + 32526.

It is an arithmetic number, because the mean of its divisors is an integer number (7257888).

Almost surely, 2^79721301 is an apocalyptic number.

It is an amenable number.

79721301 is a deficient number, since it is larger than the sum of its proper divisors (36404907).

79721301 is a wasteful number, since it uses less digits than its factorization.

79721301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 79721301 is about 8928.6785696429. The cubic root of 79721301 is about 430.3859901703.

The spelling of 79721301 in words is "seventy-nine million, seven hundred twenty-one thousand, three hundred one".