31674663 has 24 divisors (see below), whose sum is σ = 47244288. Its totient is φ = 20438352.

The previous prime is 31674659. The next prime is 31674679. The reversal of 31674663 is 36647613.

It is a happy number.

It is not a de Polignac number, because 31674663 - 2² = 31674659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31674613) 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 in 23 ways as a sum of consecutive naturals, for example, 43206 + ... + 43932.

It is an arithmetic number, because the mean of its divisors is an integer number (1968512).

Almost surely, 2^31674663 is an apocalyptic number.

31674663 is a deficient number, since it is larger than the sum of its proper divisors (15569625).

31674663 is a wasteful number, since it uses less digits than its factorization.

31674663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 880 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 31674663 is about 5628.0247867258. The cubic root of 31674663 is about 316.4006261698.

The spelling of 31674663 in words is "thirty-one million, six hundred seventy-four thousand, six hundred sixty-three".