6726625 has 8 divisors (see below), whose sum is σ = 8394984. Its totient is φ = 5381200.

The previous prime is 6726623. The next prime is 6726647. The reversal of 6726625 is 5266276.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 219024 + 6507601 = 468^2 + 2551^2 .

It is not a de Polignac number, because 6726625 - 2¹ = 6726623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6726623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26782 + ... + 27031.

It is an arithmetic number, because the mean of its divisors is an integer number (1049373).

Almost surely, 2^6726625 is an apocalyptic number.

It is an amenable number.

6726625 is a deficient number, since it is larger than the sum of its proper divisors (1668359).

6726625 is an equidigital number, since it uses as much as digits as its factorization.

6726625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53828 (or 53818 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 6726625 is about 2593.5737891951. The cubic root of 6726625 is about 188.7697521835.

The spelling of 6726625 in words is "six million, seven hundred twenty-six thousand, six hundred twenty-five".