749344992 has 48 divisors (see below), whose sum is σ = 2145854592. Its totient is φ = 227073920.

The previous prime is 749344919. The next prime is 749344993. The reversal of 749344992 is 299443947.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749344993) 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, 353748 + ... + 355859.

It is an arithmetic number, because the mean of its divisors is an integer number (44705304).

Almost surely, 2^749344992 is an apocalyptic number.

It is an amenable number.

749344992 is an abundant number, since it is smaller than the sum of its proper divisors (1396509600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749344992 is a wasteful number, since it uses less digits than its factorization.

749344992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709631 (or 709623 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 51.

The square root of 749344992 is about 27374.1665078592. The cubic root of 749344992 is about 908.2957241524.

The spelling of 749344992 in words is "seven hundred forty-nine million, three hundred forty-four thousand, nine hundred ninety-two".