7642925 has 6 divisors (see below), whose sum is σ = 9477258. Its totient is φ = 6114320.

The previous prime is 7642913. The next prime is 7642931. The reversal of 7642925 is 5292467.

7642925 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2157961 + 5484964 = 1469^2 + 2342^2 .

It is not a de Polignac number, because 7642925 - 2⁶ = 7642861 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 152834 + ... + 152883.

It is an arithmetic number, because the mean of its divisors is an integer number (1579543).

Almost surely, 2^7642925 is an apocalyptic number.

It is an amenable number.

7642925 is a deficient number, since it is larger than the sum of its proper divisors (1834333).

7642925 is a wasteful number, since it uses less digits than its factorization.

7642925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305727 (or 305722 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 7642925 is about 2764.5840555136. The cubic root of 7642925 is about 196.9789717048.

The spelling of 7642925 in words is "seven million, six hundred forty-two thousand, nine hundred twenty-five".