7925428 has 12 divisors (see below), whose sum is σ = 15850912. Its totient is φ = 3396600.

The previous prime is 7925389. The next prime is 7925453. The reversal of 7925428 is 8245297.

7925428 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141498 + ... + 141553.

Almost surely, 2^7925428 is an apocalyptic number.

It is an amenable number.

7925428 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.

7925428 is a wasteful number, since it uses less digits than its factorization.

7925428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283062 (or 283060 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 7925428 is about 2815.2136686227. The cubic root of 7925428 is about 199.3766257078.

The spelling of 7925428 in words is "seven million, nine hundred twenty-five thousand, four hundred twenty-eight".