79402617 has 12 divisors (see below), whose sum is σ = 131077440. Its totient is φ = 45372888.

The previous prime is 79402607. The next prime is 79402619. The reversal of 79402617 is 71620497.

It is a happy number.

It is not a de Polignac number, because 79402617 - 2⁷ = 79402489 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (79402619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630117 + ... + 630242.

It is an arithmetic number, because the mean of its divisors is an integer number (10923120).

Almost surely, 2^79402617 is an apocalyptic number.

It is an amenable number.

79402617 is a deficient number, since it is larger than the sum of its proper divisors (51674823).

79402617 is a wasteful number, since it uses less digits than its factorization.

79402617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260372 (or 1260369 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 79402617 is about 8910.8146092263. The cubic root of 79402617 is about 429.8117383918.

The spelling of 79402617 in words is "seventy-nine million, four hundred two thousand, six hundred seventeen".