749636444 has 6 divisors (see below), whose sum is σ = 1311863784. Its totient is φ = 374818220.

The previous prime is 749636429. The next prime is 749636449. The reversal of 749636444 is 444636947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749636449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93704552 + ... + 93704559.

It is an arithmetic number, because the mean of its divisors is an integer number (218643964).

Almost surely, 2^749636444 is an apocalyptic number.

It is an amenable number.

749636444 is a deficient number, since it is larger than the sum of its proper divisors (562227340).

749636444 is a wasteful number, since it uses less digits than its factorization.

749636444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187409115 (or 187409113 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 47.

The square root of 749636444 is about 27379.4894766137. The cubic root of 749636444 is about 908.4134671123.

The spelling of 749636444 in words is "seven hundred forty-nine million, six hundred thirty-six thousand, four hundred forty-four".