744729865 has 8 divisors (see below), whose sum is σ = 974919168. Its totient is φ = 541621680.

The previous prime is 744729859. The next prime is 744729877. The reversal of 744729865 is 568927447.

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

It is not a de Polignac number, because 744729865 - 2¹³ = 744721673 is a prime.

It is a Duffinian number.

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, 6770217 + ... + 6770326.

It is an arithmetic number, because the mean of its divisors is an integer number (121864896).

Almost surely, 2^744729865 is an apocalyptic number.

It is an amenable number.

744729865 is a deficient number, since it is larger than the sum of its proper divisors (230189303).

744729865 is a wasteful number, since it uses less digits than its factorization.

744729865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13540559.

The product of its digits is 3386880, while the sum is 52.

The square root of 744729865 is about 27289.7391889333. The cubic root of 744729865 is about 906.4271876137.

The spelling of 744729865 in words is "seven hundred forty-four million, seven hundred twenty-nine thousand, eight hundred sixty-five".