79398720 has 168 divisors, whose sum is σ = 287670240. Its totient is φ = 20044800.

The previous prime is 79398703. The next prime is 79398733. The reversal of 79398720 is 2789397.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 53995 + ... + 55445.

Almost surely, 2^79398720 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 79398720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143835120).

79398720 is an abundant number, since it is smaller than the sum of its proper divisors (208271520).

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

79398720 is a wasteful number, since it uses less digits than its factorization.

79398720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 79398720 is about 8910.5959396664. The cubic root of 79398720 is about 429.8047067019.

The spelling of 79398720 in words is "seventy-nine million, three hundred ninety-eight thousand, seven hundred twenty".