756945012 has 12 divisors (see below), whose sum is σ = 1766205056. Its totient is φ = 252315000.

The previous prime is 756944999. The next prime is 756945023. The reversal of 756945012 is 210549657.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 31539364 + ... + 31539387.

Almost surely, 2^756945012 is an apocalyptic number.

It is an amenable number.

756945012 is an abundant number, since it is smaller than the sum of its proper divisors (1009260044).

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

756945012 is a wasteful number, since it uses less digits than its factorization.

756945012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63078758 (or 63078756 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 756945012 is about 27512.6336798206. The cubic root of 756945012 is about 911.3561119542.

The spelling of 756945012 in words is "seven hundred fifty-six million, nine hundred forty-five thousand, twelve".