7372428 has 24 divisors (see below), whose sum is σ = 19660032. Its totient is φ = 2106384.

The previous prime is 7372411. The next prime is 7372429. The reversal of 7372428 is 8242737.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7372429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43800 + ... + 43967.

It is an arithmetic number, because the mean of its divisors is an integer number (819168).

Almost surely, 2^7372428 is an apocalyptic number.

It is an amenable number.

7372428 is an abundant number, since it is smaller than the sum of its proper divisors (12287604).

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

7372428 is a wasteful number, since it uses less digits than its factorization.

7372428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87781 (or 87779 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 7372428 is about 2715.2215379228. The cubic root of 7372428 is about 194.6271903960.

The spelling of 7372428 in words is "seven million, three hundred seventy-two thousand, four hundred twenty-eight".