79340031 has 24 divisors (see below), whose sum is σ = 117786240. Its totient is φ = 51435216.

The previous prime is 79340021. The next prime is 79340033. The reversal of 79340031 is 13004397.

It is not a de Polignac number, because 79340031 - 2²² = 75145727 is a prime.

It is a super-2 number, since 2×79340031² = 12589681038161922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79339977 and 79340004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79340033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169660 + ... + 170126.

It is an arithmetic number, because the mean of its divisors is an integer number (4907760).

Almost surely, 2^79340031 is an apocalyptic number.

79340031 is a deficient number, since it is larger than the sum of its proper divisors (38446209).

79340031 is a wasteful number, since it uses less digits than its factorization.

79340031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 79340031 is about 8907.3021168028. The cubic root of 79340031 is about 429.6987812910.

The spelling of 79340031 in words is "seventy-nine million, three hundred forty thousand, thirty-one".