74769931 has 2 divisors, whose sum is σ = 74769932. Its totient is φ = 74769930.

The previous prime is 74769869. The next prime is 74769973. The reversal of 74769931 is 13996747.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74769931 - 2⁹ = 74769419 is a prime.

It is a super-2 number, since 2×74769931² = 11181085163489522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74761931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37384965 + 37384966.

It is an arithmetic number, because the mean of its divisors is an integer number (37384966).

Almost surely, 2^74769931 is an apocalyptic number.

74769931 is a deficient number, since it is larger than the sum of its proper divisors (1).

74769931 is an equidigital number, since it uses as much as digits as its factorization.

74769931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 46.

The square root of 74769931 is about 8646.9607955628. The cubic root of 74769931 is about 421.2846738329.

The spelling of 74769931 in words is "seventy-four million, seven hundred sixty-nine thousand, nine hundred thirty-one".