7944125 has 24 divisors (see below), whose sum is σ = 11541816. Its totient is φ = 5443200.

The previous prime is 7944113. The next prime is 7944133. The reversal of 7944125 is 5214497.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 182329 + 7761796 = 427^2 + 2786^2 .

It is not a de Polignac number, because 7944125 - 2⁶ = 7944061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7944091 and 7944100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5477 + ... + 6773.

It is an arithmetic number, because the mean of its divisors is an integer number (480909).

Almost surely, 2^7944125 is an apocalyptic number.

It is an amenable number.

7944125 is a deficient number, since it is larger than the sum of its proper divisors (3597691).

7944125 is a wasteful number, since it uses less digits than its factorization.

7944125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1309 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 7944125 is about 2818.5324195404. The cubic root of 7944125 is about 199.5332867408.

The spelling of 7944125 in words is "seven million, nine hundred forty-four thousand, one hundred twenty-five".