6660732 has 24 divisors (see below), whose sum is σ = 16737616. Its totient is φ = 2049408.

The previous prime is 6660721. The next prime is 6660733. The reversal of 6660732 is 2370666.

It is a self number, because there is not a number n which added to its sum of digits gives 6660732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660733) 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, 21193 + ... + 21504.

Almost surely, 2^6660732 is an apocalyptic number.

It is an amenable number.

6660732 is an abundant number, since it is smaller than the sum of its proper divisors (10076884).

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

6660732 is a wasteful number, since it uses less digits than its factorization.

6660732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42717 (or 42715 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 6660732 is about 2580.8393983354. The cubic root of 6660732 is about 188.1513418447.

The spelling of 6660732 in words is "six million, six hundred sixty thousand, seven hundred thirty-two".