752428 has 6 divisors (see below), whose sum is σ = 1316756. Its totient is φ = 376212.

The previous prime is 752413. The next prime is 752431. The reversal of 752428 is 824257.

It is a super-2 number, since 2×752428² = 1132295790368, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 752396 and 752405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94050 + ... + 94057.

2⁷⁵²⁴²⁸ is an apocalyptic number.

It is an amenable number.

752428 is a deficient number, since it is larger than the sum of its proper divisors (564328).

752428 is a wasteful number, since it uses less digits than its factorization.

752428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188111 (or 188109 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 752428 is about 867.4260775421. The cubic root of 752428 is about 90.9539677825.

The spelling of 752428 in words is "seven hundred fifty-two thousand, four hundred twenty-eight".