79473993 has 16 divisors (see below), whose sum is σ = 112229376. Its totient is φ = 49919760.

The previous prime is 79473973. The next prime is 79474001. The reversal of 79473993 is 39937497.

It is not a de Polignac number, because 79473993 - 2⁹ = 79473481 is a prime.

It is a super-2 number, since 2×79473993² = 12632231126728098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79473913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3973 + ... + 13218.

It is an arithmetic number, because the mean of its divisors is an integer number (7014336).

Almost surely, 2^79473993 is an apocalyptic number.

It is an amenable number.

79473993 is a deficient number, since it is larger than the sum of its proper divisors (32755383).

79473993 is a wasteful number, since it uses less digits than its factorization.

79473993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17284.

The product of its digits is 1285956, while the sum is 51.

The square root of 79473993 is about 8914.8187306305. The cubic root of 79473993 is about 429.9404875273.

The spelling of 79473993 in words is "seventy-nine million, four hundred seventy-three thousand, nine hundred ninety-three".