7938725 has 12 divisors (see below), whose sum is σ = 9942816. Its totient is φ = 6287280.

The previous prime is 7938649. The next prime is 7938727. The reversal of 7938725 is 5278397.

It is not a de Polignac number, because 7938725 - 2¹⁰ = 7937701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7938727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1034 + ... + 4116.

It is an arithmetic number, because the mean of its divisors is an integer number (828568).

Almost surely, 2^7938725 is an apocalyptic number.

It is an amenable number.

7938725 is a deficient number, since it is larger than the sum of its proper divisors (2004091).

7938725 is a wasteful number, since it uses less digits than its factorization.

7938725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196 (or 3191 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The square root of 7938725 is about 2817.5743113537. The cubic root of 7938725 is about 199.4880657346.

The spelling of 7938725 in words is "seven million, nine hundred thirty-eight thousand, seven hundred twenty-five".