7000865 has 4 divisors (see below), whose sum is σ = 8401044. Its totient is φ = 5600688.

The previous prime is 7000849. The next prime is 7000913. The reversal of 7000865 is 5680007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3225616 + 3775249 = 1796^2 + 1943^2 .

It is a cyclic number.

It is not a de Polignac number, because 7000865 - 2⁴ = 7000849 is a prime.

It is a super-2 number, since 2×7000865² = 98024221496450, which contains 22 as substring.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 700082 + ... + 700091.

It is an arithmetic number, because the mean of its divisors is an integer number (2100261).

Almost surely, 2^7000865 is an apocalyptic number.

It is an amenable number.

7000865 is a deficient number, since it is larger than the sum of its proper divisors (1400179).

7000865 is a wasteful number, since it uses less digits than its factorization.

7000865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400178.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 7000865 is about 2645.9147756494. The cubic root of 7000865 is about 191.3009974073.

The spelling of 7000865 in words is "seven million, eight hundred sixty-five", and thus it is an aban number.