739680256 has 56 divisors (see below), whose sum is σ = 1690725600. Its totient is φ = 316981248.

The previous prime is 739680191. The next prime is 739680301. The reversal of 739680256 is 652086937.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×739680256² = 1094253762232451072, which contains 22 as substring.

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, 50895 + ... + 63793.

Almost surely, 2^739680256 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 739680256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845362800).

739680256 is an abundant number, since it is smaller than the sum of its proper divisors (951045344).

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

739680256 is an equidigital number, since it uses as much as digits as its factorization.

739680256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12932 (or 12908 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 739680256 is about 27197.0633708862. The cubic root of 739680256 is about 904.3738762070.

It can be divided in two parts, 739680 and 256, that added together give a triangular number (739936 = T₁₂₁₆).

The spelling of 739680256 in words is "seven hundred thirty-nine million, six hundred eighty thousand, two hundred fifty-six".