79490697 has 32 divisors (see below), whose sum is σ = 125583360. Its totient is φ = 44089920.

The previous prime is 79490693. The next prime is 79490701. The reversal of 79490697 is 79609497.

It is an interprime number because it is at equal distance from previous prime (79490693) and next prime (79490701).

It is not a de Polignac number, because 79490697 - 2² = 79490693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79490693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53754 + ... + 55212.

It is an arithmetic number, because the mean of its divisors is an integer number (3924480).

Almost surely, 2^79490697 is an apocalyptic number.

It is an amenable number.

79490697 is a deficient number, since it is larger than the sum of its proper divisors (46092663).

79490697 is a wasteful number, since it uses less digits than its factorization.

79490697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 79490697 is about 8915.7555484659. The cubic root of 79490697 is about 429.9706073293.

The spelling of 79490697 in words is "seventy-nine million, four hundred ninety thousand, six hundred ninety-seven".