7839125 has 48 divisors (see below), whose sum is σ = 12260352. Its totient is φ = 4896000.

The previous prime is 7839121. The next prime is 7839131. The reversal of 7839125 is 5219387.

It is not a de Polignac number, because 7839125 - 2² = 7839121 is a prime.

It is a super-2 number, since 2×7839125² = 122903761531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

Its product of digits (15120) is a multiple of the sum of its prime divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7839121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252860 + ... + 252890.

It is an arithmetic number, because the mean of its divisors is an integer number (255424).

Almost surely, 2^7839125 is an apocalyptic number.

It is an amenable number.

7839125 is a deficient number, since it is larger than the sum of its proper divisors (4421227).

7839125 is a wasteful number, since it uses less digits than its factorization.

7839125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 60 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 7839125 is about 2799.8437456401. The cubic root of 7839125 is about 198.6502868623.

The spelling of 7839125 in words is "seven million, eight hundred thirty-nine thousand, one hundred twenty-five".