6690744132 has 24 divisors (see below), whose sum is σ = 16433407200. Its totient is φ = 2112866496.

The previous prime is 6690744131. The next prime is 6690744149. The reversal of 6690744132 is 2314470966.

It is not an unprimeable number, because it can be changed into a prime (6690744131) 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, 14672457 + ... + 14672912.

It is an arithmetic number, because the mean of its divisors is an integer number (684725300).

Almost surely, 2^6690744132 is an apocalyptic number.

It is an amenable number.

6690744132 is an abundant number, since it is smaller than the sum of its proper divisors (9742663068).

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

6690744132 is a wasteful number, since it uses less digits than its factorization.

6690744132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29345395 (or 29345393 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 6690744132 is about 81796.9689658486. The cubic root of 6690744132 is about 1884.3351117508.

The spelling of 6690744132 in words is "six billion, six hundred ninety million, seven hundred forty-four thousand, one hundred thirty-two".