79722160 has 80 divisors (see below), whose sum is σ = 219182400. Its totient is φ = 26385408.

The previous prime is 79722151. The next prime is 79722187. The reversal of 79722160 is 6122797.

It is a tau number, because it is divible by the number of its divisors (80).

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 in 15 ways as a sum of consecutive naturals, for example, 13786 + ... + 18694.

It is an arithmetic number, because the mean of its divisors is an integer number (2739780).

Almost surely, 2^79722160 is an apocalyptic number.

79722160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79722160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109591200).

79722160 is an abundant number, since it is smaller than the sum of its proper divisors (139460240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79722160 is a wasteful number, since it uses less digits than its factorization.

79722160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958 (or 4952 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 79722160 is about 8928.7266729361. The cubic root of 79722160 is about 430.3875359731.

The spelling of 79722160 in words is "seventy-nine million, seven hundred twenty-two thousand, one hundred sixty".