79470720 has 384 divisors, whose sum is σ = 329696640. Its totient is φ = 17915904.

The previous prime is 79470697. The next prime is 79470737. The reversal of 79470720 is 2707497.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1088604 + ... + 1088676.

It is an arithmetic number, because the mean of its divisors is an integer number (858585).

Almost surely, 2^79470720 is an apocalyptic number.

79470720 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 79470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164848320).

79470720 is an abundant number, since it is smaller than the sum of its proper divisors (250225920).

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

79470720 is an equidigital number, since it uses as much as digits as its factorization.

79470720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 79470720 is about 8914.6351579860. The cubic root of 79470720 is about 429.9345853259.

The spelling of 79470720 in words is "seventy-nine million, four hundred seventy thousand, seven hundred twenty".