664474314 has 16 divisors (see below), whose sum is σ = 1518798528. Its totient is φ = 189849792.

The previous prime is 664474259. The next prime is 664474357. The reversal of 664474314 is 413474466.

664474314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×664474314² = 883052227931541192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7910367 + ... + 7910450.

It is an arithmetic number, because the mean of its divisors is an integer number (94924908).

Almost surely, 2^664474314 is an apocalyptic number.

664474314 is an abundant number, since it is smaller than the sum of its proper divisors (854324214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

664474314 is a wasteful number, since it uses less digits than its factorization.

664474314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15820829.

The product of its digits is 193536, while the sum is 39.

The square root of 664474314 is about 25777.3992869723. The cubic root of 664474314 is about 872.6218148871.

The spelling of 664474314 in words is "six hundred sixty-four million, four hundred seventy-four thousand, three hundred fourteen".