750428 has 12 divisors (see below), whose sum is σ = 1500912. Its totient is φ = 321600.

The previous prime is 750419. The next prime is 750437. The reversal of 750428 is 824057.

It is an interprime number because it is at equal distance from previous prime (750419) and next prime (750437).

750428 is an admirable number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 750397 and 750406.

It is a congruent number.

It is an unprimeable number.

750428 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, 13373 + ... + 13428.

It is an arithmetic number, because the mean of its divisors is an integer number (125076).

2⁷⁵⁰⁴²⁸ is an apocalyptic number.

It is an amenable number.

750428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

750428 is a wasteful number, since it uses less digits than its factorization.

750428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26812 (or 26810 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 750428 is about 866.2724744559. The cubic root of 750428 is about 90.8733091909.

The spelling of 750428 in words is "seven hundred fifty thousand, four hundred twenty-eight".