756805056 has 56 divisors (see below), whose sum is σ = 2288438400. Its totient is φ = 216229632.

The previous prime is 756805037. The next prime is 756805057. The reversal of 756805056 is 650508657.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 756804999 and 756805017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (756805057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280206 + ... + 282893.

Almost surely, 2^756805056 is an apocalyptic number.

It is an amenable number.

756805056 is an abundant number, since it is smaller than the sum of its proper divisors (1531633344).

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

756805056 is a wasteful number, since it uses less digits than its factorization.

756805056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563121 (or 563111 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 756805056 is about 27510.0900761884. The cubic root of 756805056 is about 911.2999398343.

The spelling of 756805056 in words is "seven hundred fifty-six million, eight hundred five thousand, fifty-six".