755428 has 6 divisors (see below), whose sum is σ = 1322006. Its totient is φ = 377712.

The previous prime is 755413. The next prime is 755437. The reversal of 755428 is 824557.

755428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 627264 + 128164 = 792^2 + 358^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 755428.

It is an unprimeable number.

755428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94425 + ... + 94432.

2⁷⁵⁵⁴²⁸ is an apocalyptic number.

It is an amenable number.

755428 is a deficient number, since it is larger than the sum of its proper divisors (566578).

755428 is a wasteful number, since it uses less digits than its factorization.

755428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188861 (or 188859 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 755428 is about 869.1536112794. The cubic root of 755428 is about 91.0746881095.

The spelling of 755428 in words is "seven hundred fifty-five thousand, four hundred twenty-eight".