7066725 has 24 divisors (see below), whose sum is σ = 11889120. Its totient is φ = 3702720.

The previous prime is 7066723. The next prime is 7066739. The reversal of 7066725 is 5276607.

It is not a de Polignac number, because 7066725 - 2¹ = 7066723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7066721) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3627 + ... + 5223.

It is an arithmetic number, because the mean of its divisors is an integer number (495380).

Almost surely, 2^7066725 is an apocalyptic number.

7066725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7066725 is a deficient number, since it is larger than the sum of its proper divisors (4822395).

7066725 is a wasteful number, since it uses less digits than its factorization.

7066725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 7066725 is about 2658.3312434684. The cubic root of 7066725 is about 191.8990083028.

It can be divided in two parts, 70 and 66725, that added together give a triangular number (66795 = T₃₆₅).

The spelling of 7066725 in words is "seven million, sixty-six thousand, seven hundred twenty-five".