7066625 has 8 divisors (see below), whose sum is σ = 8819304. Its totient is φ = 5653200.

The previous prime is 7066573. The next prime is 7066639. The reversal of 7066625 is 5266607.

7066625 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1739761 + 5326864 = 1319^2 + 2308^2 .

It is not a de Polignac number, because 7066625 - 2⁶ = 7066561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7066591 and 7066600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28142 + ... + 28391.

It is an arithmetic number, because the mean of its divisors is an integer number (1102413).

Almost surely, 2^7066625 is an apocalyptic number.

It is an amenable number.

7066625 is a deficient number, since it is larger than the sum of its proper divisors (1752679).

7066625 is an equidigital number, since it uses as much as digits as its factorization.

7066625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56548 (or 56538 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 7066625 is about 2658.3124346096. The cubic root of 7066625 is about 191.8981031220.

The spelling of 7066625 in words is "seven million, sixty-six thousand, six hundred twenty-five".