749272492 has 12 divisors (see below), whose sum is σ = 1315704096. Its totient is φ = 373357040.

The previous prime is 749272477. The next prime is 749272493. The reversal of 749272492 is 294272947.

It is a super-2 number, since 2×749272492² = 1122818534535780128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749272493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318484 + ... + 320827.

It is an arithmetic number, because the mean of its divisors is an integer number (109642008).

Almost surely, 2^749272492 is an apocalyptic number.

It is an amenable number.

749272492 is a deficient number, since it is larger than the sum of its proper divisors (566431604).

749272492 is a wasteful number, since it uses less digits than its factorization.

749272492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639608 (or 639606 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 749272492 is about 27372.8422345945. The cubic root of 749272492 is about 908.2664303182.

The spelling of 749272492 in words is "seven hundred forty-nine million, two hundred seventy-two thousand, four hundred ninety-two".