66514732 has 12 divisors (see below), whose sum is σ = 116507160. Its totient is φ = 33226976.

The previous prime is 66514703. The next prime is 66514739. The reversal of 66514732 is 23741566.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66514739) 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, 2257 + ... + 11752.

It is an arithmetic number, because the mean of its divisors is an integer number (9708930).

Almost surely, 2^66514732 is an apocalyptic number.

It is an amenable number.

66514732 is a deficient number, since it is larger than the sum of its proper divisors (49992428).

66514732 is a wasteful number, since it uses less digits than its factorization.

66514732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15200 (or 15198 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 66514732 is about 8155.6564420039. The cubic root of 66514732 is about 405.1718662932.

The spelling of 66514732 in words is "sixty-six million, five hundred fourteen thousand, seven hundred thirty-two".