79475031 has 6 divisors (see below), whose sum is σ = 114797280. Its totient is φ = 52983348.

The previous prime is 79475029. The next prime is 79475059. The reversal of 79475031 is 13057497.

It is a happy number.

It is not a de Polignac number, because 79475031 - 2¹ = 79475029 is a prime.

It is a super-2 number, since 2×79475031² = 12632561104901922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79475531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4415271 + ... + 4415288.

It is an arithmetic number, because the mean of its divisors is an integer number (19132880).

Almost surely, 2^79475031 is an apocalyptic number.

79475031 is a deficient number, since it is larger than the sum of its proper divisors (35322249).

79475031 is a wasteful number, since it uses less digits than its factorization.

79475031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8830565 (or 8830562 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 79475031 is about 8914.8769481132. The cubic root of 79475031 is about 429.9423593190.

The spelling of 79475031 in words is "seventy-nine million, four hundred seventy-five thousand, thirty-one".