79290531 has 24 divisors (see below), whose sum is σ = 116638704. Its totient is φ = 51897600.

The previous prime is 79290521. The next prime is 79290559. The reversal of 79290531 is 13509297.

It is not a de Polignac number, because 79290531 - 2¹⁴ = 79274147 is a prime.

It is a super-2 number, since 2×79290531² = 12573976612523922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79290511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131631 + ... + 132231.

It is an arithmetic number, because the mean of its divisors is an integer number (4859946).

Almost surely, 2^79290531 is an apocalyptic number.

79290531 is a deficient number, since it is larger than the sum of its proper divisors (37348173).

79290531 is a wasteful number, since it uses less digits than its factorization.

79290531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 79290531 is about 8904.5230641512. The cubic root of 79290531 is about 429.6094001199.

The spelling of 79290531 in words is "seventy-nine million, two hundred ninety thousand, five hundred thirty-one".