7929125 has 16 divisors (see below), whose sum is σ = 9974640. Its totient is φ = 6292800.

The previous prime is 7929101. The next prime is 7929133. The reversal of 7929125 is 5219297.

It can be written as a sum of positive squares in 8 ways, for example, as 1985281 + 5943844 = 1409^2 + 2438^2 .

It is not a de Polignac number, because 7929125 - 2²² = 3734821 is a prime.

It is a congruent number.

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, 28487 + ... + 28763.

It is an arithmetic number, because the mean of its divisors is an integer number (623415).

Almost surely, 2^7929125 is an apocalyptic number.

It is an amenable number.

7929125 is a deficient number, since it is larger than the sum of its proper divisors (2045515).

7929125 is a wasteful number, since it uses less digits than its factorization.

7929125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 511 counting only the distinct ones).

The product of its digits is 11340, while the sum is 35.

The square root of 7929125 is about 2815.8702029746. The cubic root of 7929125 is about 199.4076221748.

The spelling of 7929125 in words is "seven million, nine hundred twenty-nine thousand, one hundred twenty-five".