756845672 has 16 divisors (see below), whose sum is σ = 1548093600. Its totient is φ = 344020720.

The previous prime is 756845657. The next prime is 756845689. The reversal of 756845672 is 276548657.

It is a self number, because there is not a number n which added to its sum of digits gives 756845672.

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, 4300172 + ... + 4300347.

It is an arithmetic number, because the mean of its divisors is an integer number (96755850).

Almost surely, 2^756845672 is an apocalyptic number.

It is an amenable number.

756845672 is an abundant number, since it is smaller than the sum of its proper divisors (791247928).

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

756845672 is a wasteful number, since it uses less digits than its factorization.

756845672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600536 (or 8600532 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 50.

The square root of 756845672 is about 27510.8282681565. The cubic root of 756845672 is about 911.3162420053.

The spelling of 756845672 in words is "seven hundred fifty-six million, eight hundred forty-five thousand, six hundred seventy-two".