66932892 has 72 divisors (see below), whose sum is σ = 188990256. Its totient is φ = 20590848.

The previous prime is 66932891. The next prime is 66932909. The reversal of 66932892 is 29823966.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66932891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9988 + ... + 15284.

Almost surely, 2^66932892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66932892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94495128).

66932892 is an abundant number, since it is smaller than the sum of its proper divisors (122057364).

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

66932892 is a wasteful number, since it uses less digits than its factorization.

66932892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329 (or 5315 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 66932892 is about 8181.2524713518. The cubic root of 66932892 is about 406.0191615763.

The spelling of 66932892 in words is "sixty-six million, nine hundred thirty-two thousand, eight hundred ninety-two".