7864725 has 24 divisors (see below), whose sum is σ = 14186592. Its totient is φ = 3812800.

The previous prime is 7864721. The next prime is 7864777. The reversal of 7864725 is 5274687.

It is not a de Polignac number, because 7864725 - 2² = 7864721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7864721) 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, 3942 + ... + 5591.

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

Almost surely, 2^7864725 is an apocalyptic number.

7864725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7864725 is a deficient number, since it is larger than the sum of its proper divisors (6321867).

7864725 is a wasteful number, since it uses less digits than its factorization.

7864725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9557 (or 9552 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 7864725 is about 2804.4117030137. The cubic root of 7864725 is about 198.8662940300.

The spelling of 7864725 in words is "seven million, eight hundred sixty-four thousand, seven hundred twenty-five".