6723925625 has 10 divisors (see below), whose sum is σ = 8402218242. Its totient is φ = 5379140000.

The previous prime is 6723925589. The next prime is 6723925631. The reversal of 6723925625 is 5265293276.

It can be written as a sum of positive squares in 5 ways, for example, as 4114452736 + 2609472889 = 64144^2 + 51083^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6723925625 is a prime.

It is a super-2 number, since 2×6723925625² = 90422351621063281250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6723925625.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5378516 + ... + 5379765.

Almost surely, 2^6723925625 is an apocalyptic number.

It is an amenable number.

6723925625 is a deficient number, since it is larger than the sum of its proper divisors (1678292617).

6723925625 is an equidigital number, since it uses as much as digits as its factorization.

6723925625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10758301 (or 10758286 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 47.

The square root of 6723925625 is about 81999.5464926484. The cubic root of 6723925625 is about 1887.4449788794. Note that the first 3 decimals are identical.

The spelling of 6723925625 in words is "six billion, seven hundred twenty-three million, nine hundred twenty-five thousand, six hundred twenty-five".