66732076 has 6 divisors (see below), whose sum is σ = 116781140. Its totient is φ = 33366036.

The previous prime is 66732059. The next prime is 66732079. The reversal of 66732076 is 67023766.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66732079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8341506 + ... + 8341513.

Almost surely, 2^66732076 is an apocalyptic number.

It is an amenable number.

66732076 is a deficient number, since it is larger than the sum of its proper divisors (50049064).

66732076 is a wasteful number, since it uses less digits than its factorization.

66732076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16683023 (or 16683021 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 66732076 is about 8168.9703145501. The cubic root of 66732076 is about 405.6127006178.

The spelling of 66732076 in words is "sixty-six million, seven hundred thirty-two thousand, seventy-six".