664014674 has 24 divisors (see below), whose sum is σ = 1022527488. Its totient is φ = 323379000.

The previous prime is 664014661. The next prime is 664014709. The reversal of 664014674 is 476410466.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 883799 + ... + 884549.

It is an arithmetic number, because the mean of its divisors is an integer number (42605312).

Almost surely, 2^664014674 is an apocalyptic number.

664014674 is a deficient number, since it is larger than the sum of its proper divisors (358512814).

664014674 is a wasteful number, since it uses less digits than its factorization.

664014674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 664014674 is about 25768.4821826975. The cubic root of 664014674 is about 872.4205608526.

The spelling of 664014674 in words is "six hundred sixty-four million, fourteen thousand, six hundred seventy-four".