744475665 has 8 divisors (see below), whose sum is σ = 1191161088. Its totient is φ = 397053680.

The previous prime is 744475649. The next prime is 744475687. The reversal of 744475665 is 566574447.

744475665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 744475665 - 2⁴ = 744475649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24815841 + ... + 24815870.

It is an arithmetic number, because the mean of its divisors is an integer number (148895136).

Almost surely, 2^744475665 is an apocalyptic number.

It is an amenable number.

744475665 is a deficient number, since it is larger than the sum of its proper divisors (446685423).

744475665 is a wasteful number, since it uses less digits than its factorization.

744475665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49631719.

The product of its digits is 2822400, while the sum is 48.

The square root of 744475665 is about 27285.0813632652. The cubic root of 744475665 is about 906.3240450637.

The spelling of 744475665 in words is "seven hundred forty-four million, four hundred seventy-five thousand, six hundred sixty-five".