6690570 has 16 divisors (see below), whose sum is σ = 16057440. Its totient is φ = 1784144.

The previous prime is 6690569. The next prime is 6690577. The reversal of 6690570 is 750966.

It is not an unprimeable number, because it can be changed into a prime (6690577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111480 + ... + 111539.

It is an arithmetic number, because the mean of its divisors is an integer number (1003590).

Almost surely, 2^6690570 is an apocalyptic number.

6690570 is an abundant number, since it is smaller than the sum of its proper divisors (9366870).

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

6690570 is a wasteful number, since it uses less digits than its factorization.

6690570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223029.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 6690570 is about 2586.6136162945. The cubic root of 6690570 is about 188.4318764496.

It can be divided in two parts, 6690 and 570, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 6690570 in words is "six million, six hundred ninety thousand, five hundred seventy".