7056665 has 16 divisors (see below), whose sum is σ = 10558080. Its totient is φ = 4398720.

The previous prime is 7056661. The next prime is 7056667. The reversal of 7056665 is 5666507.

It is not a de Polignac number, because 7056665 - 2² = 7056661 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (7056661) 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 15 ways as a sum of consecutive naturals, for example, 8780 + ... + 9549.

It is an arithmetic number, because the mean of its divisors is an integer number (659880).

Almost surely, 2^7056665 is an apocalyptic number.

It is an amenable number.

7056665 is a deficient number, since it is larger than the sum of its proper divisors (3501415).

7056665 is a wasteful number, since it uses less digits than its factorization.

7056665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18352.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 7056665 is about 2656.4384050830. The cubic root of 7056665 is about 191.8079042992.

The spelling of 7056665 in words is "seven million, fifty-six thousand, six hundred sixty-five".