744691604 has 24 divisors (see below), whose sum is σ = 1335653760. Its totient is φ = 363190464.

The previous prime is 744691603. The next prime is 744691627. The reversal of 744691604 is 406196447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744691603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12032 + ... + 40424.

It is an arithmetic number, because the mean of its divisors is an integer number (55652240).

Almost surely, 2^744691604 is an apocalyptic number.

It is an amenable number.

744691604 is a deficient number, since it is larger than the sum of its proper divisors (590962156).

744691604 is a wasteful number, since it uses less digits than its factorization.

744691604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28559 (or 28557 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 744691604 is about 27289.0381655345. The cubic root of 744691604 is about 906.4116645781.

The spelling of 744691604 in words is "seven hundred forty-four million, six hundred ninety-one thousand, six hundred four".