744880 has 20 divisors (see below), whose sum is σ = 1732032. Its totient is φ = 297920.

The previous prime is 744859. The next prime is 744893. The reversal of 744880 is 88447.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 4576 + ... + 4735.

2⁷⁴⁴⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

744880 is an abundant number, since it is smaller than the sum of its proper divisors (987152).

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

744880 is a wasteful number, since it uses less digits than its factorization.

744880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324 (or 9318 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 744880 is about 863.0643081486. The cubic root of 744880 is about 90.6488094397.

The spelling of 744880 in words is "seven hundred forty-four thousand, eight hundred eighty".