79366644 has 72 divisors (see below), whose sum is σ = 234194688. Its totient is φ = 22190400.

The previous prime is 79366633. The next prime is 79366747. The reversal of 79366644 is 44666397.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 79366644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8494 + ... + 15194.

It is an arithmetic number, because the mean of its divisors is an integer number (3252704).

Almost surely, 2^79366644 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 79366644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117097344).

79366644 is an abundant number, since it is smaller than the sum of its proper divisors (154828044).

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

79366644 is a wasteful number, since it uses less digits than its factorization.

79366644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765 (or 6760 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 79366644 is about 8908.7958782318. The cubic root of 79366644 is about 429.7468204929.

The spelling of 79366644 in words is "seventy-nine million, three hundred sixty-six thousand, six hundred forty-four".