79619772 has 48 divisors (see below), whose sum is σ = 197557920. Its totient is φ = 24870912.

The previous prime is 79619731. The next prime is 79619801. The reversal of 79619772 is 27791697.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55804 + ... + 57212.

It is an arithmetic number, because the mean of its divisors is an integer number (4115790).

Almost surely, 2^79619772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79619772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98778960).

79619772 is an abundant number, since it is smaller than the sum of its proper divisors (117938148).

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

79619772 is a wasteful number, since it uses less digits than its factorization.

79619772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710 (or 1708 counting only the distinct ones).

The product of its digits is 333396, while the sum is 48.

The square root of 79619772 is about 8922.9912025060. The cubic root of 79619772 is about 430.2032066409.

The spelling of 79619772 in words is "seventy-nine million, six hundred nineteen thousand, seven hundred seventy-two".