74696131 has 2 divisors, whose sum is σ = 74696132. Its totient is φ = 74696130.

The previous prime is 74696123. The next prime is 74696161. The reversal of 74696131 is 13169647.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74696131 - 2³ = 74696123 is a prime.

It is a super-2 number, since 2×74696131² = 11159023972738322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74696101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37348065 + 37348066.

It is an arithmetic number, because the mean of its divisors is an integer number (37348066).

Almost surely, 2^74696131 is an apocalyptic number.

74696131 is a deficient number, since it is larger than the sum of its proper divisors (1).

74696131 is an equidigital number, since it uses as much as digits as its factorization.

74696131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 74696131 is about 8642.6923467170. The cubic root of 74696131 is about 421.1460216443.

The spelling of 74696131 in words is "seventy-four million, six hundred ninety-six thousand, one hundred thirty-one".