664075292 has 12 divisors (see below), whose sum is σ = 1202205480. Its totient is φ = 320588016.

The previous prime is 664075261. The next prime is 664075337. The reversal of 664075292 is 292570466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2862278 + ... + 2862509.

It is an arithmetic number, because the mean of its divisors is an integer number (100183790).

Almost surely, 2^664075292 is an apocalyptic number.

It is an amenable number.

664075292 is a deficient number, since it is larger than the sum of its proper divisors (538130188).

664075292 is a wasteful number, since it uses less digits than its factorization.

664075292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724820 (or 5724818 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 664075292 is about 25769.6583601723. The cubic root of 664075292 is about 872.4471078464.

The spelling of 664075292 in words is "six hundred sixty-four million, seventy-five thousand, two hundred ninety-two".