674971931 has 2 divisors, whose sum is σ = 674971932. Its totient is φ = 674971930.

The previous prime is 674971901. The next prime is 674971967. The reversal of 674971931 is 139179476.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674971931 is a prime.

It is a super-2 number, since 2×674971931² = 911174215275737522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (674971901) 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, 337485965 + 337485966.

It is an arithmetic number, because the mean of its divisors is an integer number (337485966).

Almost surely, 2^674971931 is an apocalyptic number.

674971931 is a deficient number, since it is larger than the sum of its proper divisors (1).

674971931 is an equidigital number, since it uses as much as digits as its factorization.

674971931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 47.

The square root of 674971931 is about 25980.2219197604. The cubic root of 674971931 is about 877.1931621466.

The spelling of 674971931 in words is "six hundred seventy-four million, nine hundred seventy-one thousand, nine hundred thirty-one".