739309664 has 36 divisors (see below), whose sum is σ = 1491399756. Its totient is φ = 360565632.

The previous prime is 739309657. The next prime is 739309709. The reversal of 739309664 is 466903937.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1008242 + ... + 1008974.

It is an arithmetic number, because the mean of its divisors is an integer number (41427771).

Almost surely, 2^739309664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 739309664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745699878).

739309664 is an abundant number, since it is smaller than the sum of its proper divisors (752090092).

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

739309664 is an frugal number, since it uses more digits than its factorization.

739309664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 47.

The square root of 739309664 is about 27190.2494287934. The cubic root of 739309664 is about 904.2228155701. Note that the first 3 decimals are identical.

The spelling of 739309664 in words is "seven hundred thirty-nine million, three hundred nine thousand, six hundred sixty-four".