755456 has 36 divisors (see below), whose sum is σ = 1631112. Its totient is φ = 347136.

The previous prime is 755449. The next prime is 755473. The reversal of 755456 is 654557.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3215 + ... + 3441.

2⁷⁵⁵⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 755456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815556).

755456 is an abundant number, since it is smaller than the sum of its proper divisors (875656).

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

755456 is a wasteful number, since it uses less digits than its factorization.

755456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 242 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 755456 is about 869.1697187546. The cubic root of 755456 is about 91.0758133258.

The spelling of 755456 in words is "seven hundred fifty-five thousand, four hundred fifty-six".