749128276 has 24 divisors (see below), whose sum is σ = 1486126880. Its totient is φ = 327553632.

The previous prime is 749128267. The next prime is 749128291. The reversal of 749128276 is 672821947.

It is a super-2 number, since 2×749128276² = 1122386347805464352, 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 7 ways as a sum of consecutive naturals, for example, 378126 + ... + 380101.

Almost surely, 2^749128276 is an apocalyptic number.

749128276 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

749128276 is a deficient number, since it is larger than the sum of its proper divisors (736998604).

749128276 is a wasteful number, since it uses less digits than its factorization.

749128276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758263 (or 758261 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 749128276 is about 27370.2078179907. The cubic root of 749128276 is about 908.2081538088.

The spelling of 749128276 in words is "seven hundred forty-nine million, one hundred twenty-eight thousand, two hundred seventy-six".