7432428 has 18 divisors (see below), whose sum is σ = 17364396. Its totient is φ = 2474328.

The previous prime is 7432409. The next prime is 7432457. The reversal of 7432428 is 8242347.

7432428 is digitally balanced in base 4, 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 = 7432395 and 7432404.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9051 + ... + 9837.

Almost surely, 2^7432428 is an apocalyptic number.

It is an amenable number.

7432428 is an abundant number, since it is smaller than the sum of its proper divisors (9931968).

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

7432428 is an equidigital number, since it uses as much as digits as its factorization.

7432428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 792 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 7432428 is about 2726.2479711134. The cubic root of 7432428 is about 195.1537511926.

The spelling of 7432428 in words is "seven million, four hundred thirty-two thousand, four hundred twenty-eight".