79917473 has 8 divisors (see below), whose sum is σ = 82957056. Its totient is φ = 76906800.

The previous prime is 79917451. The next prime is 79917499. The reversal of 79917473 is 37471997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79917473 - 2⁸ = 79917217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79917413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511 + ... + 12732.

It is an arithmetic number, because the mean of its divisors is an integer number (10369632).

Almost surely, 2^79917473 is an apocalyptic number.

It is an amenable number.

79917473 is a deficient number, since it is larger than the sum of its proper divisors (3039583).

79917473 is a wasteful number, since it uses less digits than its factorization.

79917473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14455.

The product of its digits is 333396, while the sum is 47.

The square root of 79917473 is about 8939.6573200543. The cubic root of 79917473 is about 430.7387211688.

The spelling of 79917473 in words is "seventy-nine million, nine hundred seventeen thousand, four hundred seventy-three".