7966725 has 24 divisors (see below), whose sum is σ = 14186592. Its totient is φ = 3921600.

The previous prime is 7966723. The next prime is 7966747. The reversal of 7966725 is 5276697.

It is a happy number.

It is not a de Polignac number, because 7966725 - 2¹ = 7966723 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7966723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3111 + ... + 5060.

It is an arithmetic number, because the mean of its divisors is an integer number (591108).

Almost surely, 2^7966725 is an apocalyptic number.

7966725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7966725 is a deficient number, since it is larger than the sum of its proper divisors (6219867).

7966725 is a wasteful number, since it uses less digits than its factorization.

7966725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8197 (or 8192 counting only the distinct ones).

The product of its digits is 158760, while the sum is 42.

The square root of 7966725 is about 2822.5387508412. The cubic root of 7966725 is about 199.7223229891.

The spelling of 7966725 in words is "seven million, nine hundred sixty-six thousand, seven hundred twenty-five".