7445425 has 24 divisors (see below), whose sum is σ = 10277120. Its totient is φ = 5313600.

The previous prime is 7445393. The next prime is 7445437. The reversal of 7445425 is 5245447.

It is not a de Polignac number, because 7445425 - 2⁵ = 7445393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9706 + ... + 10444.

Almost surely, 2^7445425 is an apocalyptic number.

It is an amenable number.

7445425 is a deficient number, since it is larger than the sum of its proper divisors (2831695).

7445425 is a wasteful number, since it uses less digits than its factorization.

7445425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 788 counting only the distinct ones).

The product of its digits is 22400, while the sum is 31.

The square root of 7445425 is about 2728.6306089319. The cubic root of 7445425 is about 195.2674393115.

The spelling of 7445425 in words is "seven million, four hundred forty-five thousand, four hundred twenty-five".