7916625 has 48 divisors (see below), whose sum is σ = 14796288. Its totient is φ = 4068000.

The previous prime is 7916617. The next prime is 7916627. The reversal of 7916625 is 5266197.

7916625 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7916625 - 2³ = 7916617 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7916625.

It is not an unprimeable number, because it can be changed into a prime (7916627) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 34762 + ... + 34988.

It is an arithmetic number, because the mean of its divisors is an integer number (308256).

Almost surely, 2^7916625 is an apocalyptic number.

7916625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7916625 is a deficient number, since it is larger than the sum of its proper divisors (6879663).

7916625 is a wasteful number, since it uses less digits than its factorization.

7916625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 266 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 7916625 is about 2813.6497649850. The cubic root of 7916625 is about 199.3027805832.

The spelling of 7916625 in words is "seven million, nine hundred sixteen thousand, six hundred twenty-five".