7000645 has 16 divisors (see below), whose sum is σ = 9000000. Its totient is φ = 5211648.

The previous prime is 7000633. The next prime is 7000657. The reversal of 7000645 is 5460007.

It is an interprime number because it is at equal distance from previous prime (7000633) and next prime (7000657).

It is a cyclic number.

It is not a de Polignac number, because 7000645 - 2⁷ = 7000517 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4981 + ... + 6229.

It is an arithmetic number, because the mean of its divisors is an integer number (562500).

Almost surely, 2^7000645 is an apocalyptic number.

It is an amenable number.

7000645 is a deficient number, since it is larger than the sum of its proper divisors (1999355).

7000645 is a wasteful number, since it uses less digits than its factorization.

7000645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7000645 is about 2645.8732017994. The cubic root of 7000645 is about 191.2989935283.

The spelling of 7000645 in words is "seven million, six hundred forty-five", and thus it is an aban number.