749447292 has 48 divisors (see below), whose sum is σ = 1909297152. Its totient is φ = 226913280.

The previous prime is 749447291. The next prime is 749447299. The reversal of 749447292 is 292744947.

It is a super-2 number, since 2×749447292² = 1123342486972266528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749447291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277573 + ... + 280259.

It is an arithmetic number, because the mean of its divisors is an integer number (39777024).

Almost surely, 2^749447292 is an apocalyptic number.

It is an amenable number.

749447292 is an abundant number, since it is smaller than the sum of its proper divisors (1159849860).

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

749447292 is a wasteful number, since it uses less digits than its factorization.

749447292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4818 (or 4816 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 749447292 is about 27376.0349941331. The cubic root of 749447292 is about 908.3370555487.

The spelling of 749447292 in words is "seven hundred forty-nine million, four hundred forty-seven thousand, two hundred ninety-two".