6750864 has 50 divisors (see below), whose sum is σ = 19542710. Its totient is φ = 2249856.

The previous prime is 6750859. The next prime is 6750869. The reversal of 6750864 is 4680576.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6750859) and next prime (6750869).

It can be written as a sum of positive squares in only one way, i.e., 6718464 + 32400 = 2592^2 + 180^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (6750869) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1309 + ... + 3900.

Almost surely, 2^6750864 is an apocalyptic number.

It is an amenable number.

6750864 is an abundant number, since it is smaller than the sum of its proper divisors (12791846).

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

6750864 is a wasteful number, since it uses less digits than its factorization.

6750864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229 (or 5214 counting only the distinct ones).

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

The square root of 6750864 is about 2598.2424829103. The cubic root of 6750864 is about 188.9962206349.

It can be divided in two parts, 6750 and 864, that multiplied together give a cube (5832000 = 180³).

The spelling of 6750864 in words is "six million, seven hundred fifty thousand, eight hundred sixty-four".