79520000 has 180 divisors, whose sum is σ = 229876416. Its totient is φ = 26880000.

The previous prime is 79519963. The next prime is 79520003. The reversal of 79520000 is 2597.

It is not an unprimeable number, because it can be changed into a prime (79520003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1119965 + ... + 1120035.

Almost surely, 2^79520000 is an apocalyptic number.

79520000 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 79520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114938208).

79520000 is an abundant number, since it is smaller than the sum of its proper divisors (150356416).

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

79520000 is an frugal number, since it uses more digits than its factorization.

79520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 79520000 is about 8917.3987238432. The cubic root of 79520000 is about 430.0234348144.

Adding to 79520000 its reverse (2597), we get a palindrome (79522597).

The spelling of 79520000 in words is "seventy-nine million, five hundred twenty thousand".