6705864 has 48 divisors (see below), whose sum is σ = 19815120. Its totient is φ = 2031840.

The previous prime is 6705859. The next prime is 6705887. The reversal of 6705864 is 4685076.

It is a happy number.

6705864 is a `hidden beast` number, since 6 + 70 + 586 + 4 = 666.

It is a super-2 number, since 2×6705864² = 89937223972992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3442 + ... + 5025.

It is an arithmetic number, because the mean of its divisors is an integer number (412815).

Almost surely, 2^6705864 is an apocalyptic number.

It is an amenable number.

6705864 is an abundant number, since it is smaller than the sum of its proper divisors (13109256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6705864 is a wasteful number, since it uses less digits than its factorization.

6705864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490 (or 8483 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 6705864 is about 2589.5683037912. The cubic root of 6705864 is about 188.5753462390.

It can be divided in two parts, 6705 and 864, that added together give a square (7569 = 87²).

The spelling of 6705864 in words is "six million, seven hundred five thousand, eight hundred sixty-four".