7681625 has 16 divisors (see below), whose sum is σ = 10957440. Its totient is φ = 5266800.

The previous prime is 7681613. The next prime is 7681631. The reversal of 7681625 is 5261867.

It is not a de Polignac number, because 7681625 - 2⁸ = 7681369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 15 ways as a sum of consecutive naturals, for example, 3515 + ... + 5264.

It is an arithmetic number, because the mean of its divisors is an integer number (684840).

Almost surely, 2^7681625 is an apocalyptic number.

It is an amenable number.

7681625 is a deficient number, since it is larger than the sum of its proper divisors (3275815).

7681625 is an equidigital number, since it uses as much as digits as its factorization.

7681625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8801 (or 8791 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 7681625 is about 2771.5744622867. The cubic root of 7681625 is about 197.3108802242.

The spelling of 7681625 in words is "seven million, six hundred eighty-one thousand, six hundred twenty-five".