739639664 has 40 divisors (see below), whose sum is σ = 1530318720. Its totient is φ = 345542400.

The previous prime is 739639651. The next prime is 739639679. The reversal of 739639664 is 466936937.

It is a congruent number.

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, 11327 + ... + 40094.

It is an arithmetic number, because the mean of its divisors is an integer number (38257968).

Almost surely, 2^739639664 is an apocalyptic number.

It is an amenable number.

739639664 is an abundant number, since it is smaller than the sum of its proper divisors (790679056).

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

739639664 is a wasteful number, since it uses less digits than its factorization.

739639664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51489 (or 51483 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 53.

The square root of 739639664 is about 27196.3171036080. The cubic root of 739639664 is about 904.3573325650.

The spelling of 739639664 in words is "seven hundred thirty-nine million, six hundred thirty-nine thousand, six hundred sixty-four".