755478 has 36 divisors (see below), whose sum is σ = 1760460. Its totient is φ = 233496.

The previous prime is 755473. The next prime is 755483. The reversal of 755478 is 874557.

755478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (755473) and next prime (755483).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755473) by changing a digit.

755478 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 17 ways as a sum of consecutive naturals, for example, 16051 + ... + 16097.

2⁷⁵⁵⁴⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 755478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880230).

755478 is an abundant number, since it is smaller than the sum of its proper divisors (1004982).

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

755478 is a wasteful number, since it uses less digits than its factorization.

755478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 71 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 755478 is about 869.1823744186. The cubic root of 755478 is about 91.0766974048.

The spelling of 755478 in words is "seven hundred fifty-five thousand, four hundred seventy-eight".