6730625 has 30 divisors (see below), whose sum is σ = 9348570. Its totient is φ = 4840000.

The previous prime is 6730613. The next prime is 6730637. The reversal of 6730625 is 5260376.

It is an interprime number because it is at equal distance from previous prime (6730613) and next prime (6730637).

It can be written as a sum of positive squares in 5 ways, for example, as 3748096 + 2982529 = 1936^2 + 1727^2 .

It is not a de Polignac number, because 6730625 - 2⁴ = 6730609 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 75581 + ... + 75669.

It is an arithmetic number, because the mean of its divisors is an integer number (311619).

Almost surely, 2^6730625 is an apocalyptic number.

It is an amenable number.

6730625 is a deficient number, since it is larger than the sum of its proper divisors (2617945).

6730625 is an equidigital number, since it uses as much as digits as its factorization.

6730625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 6730625 is about 2594.3448113156. The cubic root of 6730625 is about 188.8071621966.

The spelling of 6730625 in words is "six million, seven hundred thirty thousand, six hundred twenty-five".