749075628 has 48 divisors (see below), whose sum is σ = 2009826560. Its totient is φ = 212704704.

The previous prime is 749075567. The next prime is 749075629. The reversal of 749075628 is 826570947.

It is a super-2 number, since 2×749075628² = 1122228592927188768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749075629) 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 15 ways as a sum of consecutive naturals, for example, 13663 + ... + 41046.

Almost surely, 2^749075628 is an apocalyptic number.

It is an amenable number.

749075628 is an abundant number, since it is smaller than the sum of its proper divisors (1260750932).

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

749075628 is a wasteful number, since it uses less digits than its factorization.

749075628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54886 (or 54884 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 749075628 is about 27369.2460254206. The cubic root of 749075628 is about 908.1868773178.

The spelling of 749075628 in words is "seven hundred forty-nine million, seventy-five thousand, six hundred twenty-eight".