7428625 has 16 divisors (see below), whose sum is σ = 9419904. Its totient is φ = 5847600.

The previous prime is 7428599. The next prime is 7428649. The reversal of 7428625 is 5268247.

It is not a de Polignac number, because 7428625 - 2⁵ = 7428593 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7932 + ... + 8818.

It is an arithmetic number, because the mean of its divisors is an integer number (588744).

Almost surely, 2^7428625 is an apocalyptic number.

It is an amenable number.

7428625 is a deficient number, since it is larger than the sum of its proper divisors (1991279).

7428625 is an equidigital number, since it uses as much as digits as its factorization.

7428625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 959 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 7428625 is about 2725.5504031296. The cubic root of 7428625 is about 195.1204603068.

The spelling of 7428625 in words is "seven million, four hundred twenty-eight thousand, six hundred twenty-five".