79996250 has 20 divisors (see below), whose sum is σ = 149947314. Its totient is φ = 31998000.

The previous prime is 79996249. The next prime is 79996253. The reversal of 79996250 is 5269997.

It can be written as a sum of positive squares in 5 ways, for example, as 5536609 + 74459641 = 2353^2 + 8629^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79996195 and 79996204.

It is not an unprimeable number, because it can be changed into a prime (79996253) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30749 + ... + 33248.

Almost surely, 2^79996250 is an apocalyptic number.

79996250 is a deficient number, since it is larger than the sum of its proper divisors (69951064).

79996250 is an equidigital number, since it uses as much as digits as its factorization.

79996250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64019 (or 64004 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 79996250 is about 8944.0622761696. The cubic root of 79996250 is about 430.8802052928.

The spelling of 79996250 in words is "seventy-nine million, nine hundred ninety-six thousand, two hundred fifty".