755638 has 8 divisors (see below), whose sum is σ = 1220688. Its totient is φ = 348744.

The previous prime is 755627. The next prime is 755663. The reversal of 755638 is 836557.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

755638 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 in 3 ways as a sum of consecutive naturals, for example, 14506 + ... + 14557.

It is an arithmetic number, because the mean of its divisors is an integer number (152586).

2⁷⁵⁵⁶³⁸ is an apocalyptic number.

755638 is a deficient number, since it is larger than the sum of its proper divisors (465050).

755638 is a wasteful number, since it uses less digits than its factorization.

755638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29078.

The product of its digits is 25200, while the sum is 34.

The square root of 755638 is about 869.2744100685. The cubic root of 755638 is about 91.0831265543.

The spelling of 755638 in words is "seven hundred fifty-five thousand, six hundred thirty-eight".