756349312 has 32 divisors (see below), whose sum is σ = 1595428920. Its totient is φ = 355928064.

The previous prime is 756349303. The next prime is 756349313. The reversal of 756349312 is 213943657.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (756349313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171618 + ... + 175969.

Almost surely, 2^756349312 is an apocalyptic number.

It is an amenable number.

756349312 is an abundant number, since it is smaller than the sum of its proper divisors (839079608).

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

756349312 is a wasteful number, since it uses less digits than its factorization.

756349312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347618 (or 347606 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 756349312 is about 27501.8056134502. The cubic root of 756349312 is about 911.1169764357.

The spelling of 756349312 in words is "seven hundred fifty-six million, three hundred forty-nine thousand, three hundred twelve".