3664674731 has 12 divisors (see below), whose sum is σ = 3772358352. Its totient is φ = 3559988448.

The previous prime is 3664674701. The next prime is 3664674763. The reversal of 3664674731 is 1374764663.

3664674731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3664674731 is a prime.

It is a super-2 number, since 2×3664674731² = 26859681768059844722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3664674701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1056506 + ... + 1059968.

It is an arithmetic number, because the mean of its divisors is an integer number (314363196).

Almost surely, 2^3664674731 is an apocalyptic number.

3664674731 is a deficient number, since it is larger than the sum of its proper divisors (107683621).

3664674731 is an equidigital number, since it uses as much as digits as its factorization.

3664674731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310 (or 4273 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 47.

The square root of 3664674731 is about 60536.5569800596. The cubic root of 3664674731 is about 1541.7423820591.

The spelling of 3664674731 in words is "three billion, six hundred sixty-four million, six hundred seventy-four thousand, seven hundred thirty-one".