79725200 has 30 divisors (see below), whose sum is σ = 191540754. Its totient is φ = 31889920.

The previous prime is 79725157. The next prime is 79725203. The reversal of 79725200 is 252797.

It can be written as a sum of positive squares in 3 ways, for example, as 9634816 + 70090384 = 3104^2 + 8372^2 .

It is a super-2 number, since 2×79725200² = 12712215030080000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79725203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99257 + ... + 100056.

Almost surely, 2^79725200 is an apocalyptic number.

It is an amenable number.

79725200 is an abundant number, since it is smaller than the sum of its proper divisors (111815554).

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

79725200 is a wasteful number, since it uses less digits than its factorization.

79725200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199331 (or 199320 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 79725200 is about 8928.8969083532. The cubic root of 79725200 is about 430.3930064783.

Adding to 79725200 its reverse (252797), we get a palindrome (79977997).

The spelling of 79725200 in words is "seventy-nine million, seven hundred twenty-five thousand, two hundred".