744705424 has 40 divisors (see below), whose sum is σ = 1459589120. Its totient is φ = 368064000.

The previous prime is 744705407. The next prime is 744705449. The reversal of 744705424 is 424507447.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581617 + ... + 582895.

It is an arithmetic number, because the mean of its divisors is an integer number (36489728).

Almost surely, 2^744705424 is an apocalyptic number.

It is an amenable number.

744705424 is a deficient number, since it is larger than the sum of its proper divisors (714883696).

744705424 is a wasteful number, since it uses less digits than its factorization.

744705424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 37.

The square root of 744705424 is about 27289.2913795870. The cubic root of 744705424 is about 906.4172716114.

The spelling of 744705424 in words is "seven hundred forty-four million, seven hundred five thousand, four hundred twenty-four".