755830728 has 24 divisors (see below), whose sum is σ = 2047041750. Its totient is φ = 251943552.

The previous prime is 755830681. The next prime is 755830753. The reversal of 755830728 is 827038557.

It can be written as a sum of positive squares in only one way, i.e., 379548324 + 376282404 = 19482^2 + 19398^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5248753 + ... + 5248896.

Almost surely, 2^755830728 is an apocalyptic number.

It is an amenable number.

755830728 is an abundant number, since it is smaller than the sum of its proper divisors (1291211022).

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

755830728 is a wasteful number, since it uses less digits than its factorization.

755830728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10497661 (or 10497654 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 755830728 is about 27492.3758158512. The cubic root of 755830728 is about 910.9086958145.

The spelling of 755830728 in words is "seven hundred fifty-five million, eight hundred thirty thousand, seven hundred twenty-eight".