756428 has 24 divisors (see below), whose sum is σ = 1436400. Its totient is φ = 347328.

The previous prime is 756421. The next prime is 756433. The reversal of 756428 is 824657.

756428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 756394 and 756403.

It is not an unprimeable number, because it can be changed into a prime (756421) by changing a digit.

756428 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 7 ways as a sum of consecutive naturals, for example, 2678 + ... + 2946.

It is an arithmetic number, because the mean of its divisors is an integer number (59850).

2⁷⁵⁶⁴²⁸ is an apocalyptic number.

It is an amenable number.

756428 is a deficient number, since it is larger than the sum of its proper divisors (679972).

756428 is a wasteful number, since it uses less digits than its factorization.

756428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 327 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 756428 is about 869.7286933291. The cubic root of 756428 is about 91.1148571840.

The spelling of 756428 in words is "seven hundred fifty-six thousand, four hundred twenty-eight".