663302674 has 32 divisors (see below), whose sum is σ = 1069089840. Its totient is φ = 308044800.

The previous prime is 663302659. The next prime is 663302687. The reversal of 663302674 is 476203366.

It can be written as a sum of positive squares in 8 ways, for example, as 327863449 + 335439225 = 18107^2 + 18315^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171684 + ... + 175504.

Almost surely, 2^663302674 is an apocalyptic number.

663302674 is a deficient number, since it is larger than the sum of its proper divisors (405787166).

663302674 is a wasteful number, since it uses less digits than its factorization.

663302674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 663302674 is about 25754.6631505830. The cubic root of 663302674 is about 872.1086271894.

The spelling of 663302674 in words is "six hundred sixty-three million, three hundred two thousand, six hundred seventy-four".