6690703764 has 12 divisors (see below), whose sum is σ = 15611642144. Its totient is φ = 2230234584.

The previous prime is 6690703751. The next prime is 6690703769. The reversal of 6690703764 is 4673070966.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690703769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278779312 + ... + 278779335.

Almost surely, 2^6690703764 is an apocalyptic number.

It is an amenable number.

6690703764 is an abundant number, since it is smaller than the sum of its proper divisors (8920938380).

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

6690703764 is a wasteful number, since it uses less digits than its factorization.

6690703764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557558654 (or 557558652 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 48.

The square root of 6690703764 is about 81796.7222081668. The cubic root of 6690703764 is about 1884.3313220880.

The spelling of 6690703764 in words is "six billion, six hundred ninety million, seven hundred three thousand, seven hundred sixty-four".