79490500 has 24 divisors (see below), whose sum is σ = 173608344. Its totient is φ = 31796000.

The previous prime is 79490459. The next prime is 79490519. The reversal of 79490500 is 509497.

It can be written as a sum of positive squares in 4 ways, for example, as 7851204 + 71639296 = 2802^2 + 8464^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78991 + ... + 79990.

It is an arithmetic number, because the mean of its divisors is an integer number (7233681).

Almost surely, 2^79490500 is an apocalyptic number.

It is an amenable number.

79490500 is an abundant number, since it is smaller than the sum of its proper divisors (94117844).

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

79490500 is a wasteful number, since it uses less digits than its factorization.

79490500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159000 (or 158988 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 79490500 is about 8915.7445006012. The cubic root of 79490500 is about 429.9702521335.

Adding to 79490500 its reverse (509497), we get a palindrome (79999997).

The spelling of 79490500 in words is "seventy-nine million, four hundred ninety thousand, five hundred".