7645425 has 12 divisors (see below), whose sum is σ = 12640560. Its totient is φ = 4077520.

The previous prime is 7645423. The next prime is 7645433. The reversal of 7645425 is 5245467.

7645425 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7645425 - 2¹ = 7645423 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7645423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50895 + ... + 51044.

It is an arithmetic number, because the mean of its divisors is an integer number (1053380).

Almost surely, 2^7645425 is an apocalyptic number.

7645425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7645425 is a deficient number, since it is larger than the sum of its proper divisors (4995135).

7645425 is a wasteful number, since it uses less digits than its factorization.

7645425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101952 (or 101947 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 7645425 is about 2765.0361661288. The cubic root of 7645425 is about 197.0004466308. Note that the first 3 decimals are identical.

The spelling of 7645425 in words is "seven million, six hundred forty-five thousand, four hundred twenty-five".