749043812 has 12 divisors (see below), whose sum is σ = 1429992816. Its totient is φ = 340474440.

The previous prime is 749043803. The next prime is 749043833. The reversal of 749043812 is 218340947.

It is a super-2 number, since 2×749043812² = 1122133264590982688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8511818 + ... + 8511905.

It is an arithmetic number, because the mean of its divisors is an integer number (119166068).

Almost surely, 2^749043812 is an apocalyptic number.

It is an amenable number.

749043812 is a deficient number, since it is larger than the sum of its proper divisors (680949004).

749043812 is a wasteful number, since it uses less digits than its factorization.

749043812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17023738 (or 17023736 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 749043812 is about 27368.6647829228. The cubic root of 749043812 is about 908.1740191222.

The spelling of 749043812 in words is "seven hundred forty-nine million, forty-three thousand, eight hundred twelve".