749135828 has 24 divisors (see below), whose sum is σ = 1517241600. Its totient is φ = 316993248.

The previous prime is 749135813. The next prime is 749135831. The reversal of 749135828 is 828531947.

It is a happy number.

It is a super-2 number, since 2×749135828² = 1122408977586491168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 167123 + ... + 171546.

It is an arithmetic number, because the mean of its divisors is an integer number (63218400).

Almost surely, 2^749135828 is an apocalyptic number.

It is an amenable number.

749135828 is an abundant number, since it is smaller than the sum of its proper divisors (768105772).

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

749135828 is a wasteful number, since it uses less digits than its factorization.

749135828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338759 (or 338757 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 749135828 is about 27370.3457778670. The cubic root of 749135828 is about 908.2112056960.

The spelling of 749135828 in words is "seven hundred forty-nine million, one hundred thirty-five thousand, eight hundred twenty-eight".