8066725 has 6 divisors (see below), whose sum is σ = 10002770. Its totient is φ = 6453360.

The previous prime is 8066717. The next prime is 8066749. The reversal of 8066725 is 5276608.

It can be written as a sum of positive squares in 3 ways, for example, as 103041 + 7963684 = 321^2 + 2822^2 .

It is not a de Polignac number, because 8066725 - 2³ = 8066717 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161310 + ... + 161359.

Almost surely, 2^8066725 is an apocalyptic number.

It is an amenable number.

8066725 is a deficient number, since it is larger than the sum of its proper divisors (1936045).

8066725 is a wasteful number, since it uses less digits than its factorization.

8066725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322679 (or 322674 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 8066725 is about 2840.1980564742. The cubic root of 8066725 is about 200.5545028787.

The spelling of 8066725 in words is "eight million, sixty-six thousand, seven hundred twenty-five".