756475641 has 12 divisors (see below), whose sum is σ = 1093138020. Its totient is φ = 504108960.

The previous prime is 756475637. The next prime is 756475661. The reversal of 756475641 is 146574657.

It can be written as a sum of positive squares in 2 ways, for example, as 624800016 + 131675625 = 24996^2 + 11475^2 .

It is not a de Polignac number, because 756475641 - 2² = 756475637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (756475631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7555 + ... + 39623.

It is an arithmetic number, because the mean of its divisors is an integer number (91094835).

Almost surely, 2^756475641 is an apocalyptic number.

It is an amenable number.

756475641 is a deficient number, since it is larger than the sum of its proper divisors (336662379).

756475641 is a wasteful number, since it uses less digits than its factorization.

756475641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34696 (or 34693 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 756475641 is about 27504.1022576633. The cubic root of 756475641 is about 911.1676999515.

The spelling of 756475641 in words is "seven hundred fifty-six million, four hundred seventy-five thousand, six hundred forty-one".