66632937 has 8 divisors (see below), whose sum is σ = 101535936. Its totient is φ = 38075952.

The previous prime is 66632927. The next prime is 66632953. The reversal of 66632937 is 73923666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66632937 - 2⁴ = 66632921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66632927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586478 + ... + 1586519.

It is an arithmetic number, because the mean of its divisors is an integer number (12691992).

Almost surely, 2^66632937 is an apocalyptic number.

It is an amenable number.

66632937 is a deficient number, since it is larger than the sum of its proper divisors (34902999).

66632937 is a wasteful number, since it uses less digits than its factorization.

66632937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173007.

The product of its digits is 244944, while the sum is 42.

The square root of 66632937 is about 8162.9000361391. The cubic root of 66632937 is about 405.4117379536.

The spelling of 66632937 in words is "sixty-six million, six hundred thirty-two thousand, nine hundred thirty-seven".