749042872 has 16 divisors (see below), whose sum is σ = 1407661200. Its totient is φ = 373666560.

The previous prime is 749042867. The next prime is 749042881. The reversal of 749042872 is 278240947.

It is a super-2 number, since 2×749042872² = 1122130448188016768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103129 + ... + 110152.

It is an arithmetic number, because the mean of its divisors is an integer number (87978825).

Almost surely, 2^749042872 is an apocalyptic number.

It is an amenable number.

749042872 is a deficient number, since it is larger than the sum of its proper divisors (658618328).

749042872 is a wasteful number, since it uses less digits than its factorization.

749042872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213726 (or 213722 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 749042872 is about 27368.6476099934. The cubic root of 749042872 is about 908.1736392228.

The spelling of 749042872 in words is "seven hundred forty-nine million, forty-two thousand, eight hundred seventy-two".