66741936 has 20 divisors (see below), whose sum is σ = 172416792. Its totient is φ = 22247296.

The previous prime is 66741931. The next prime is 66741947. The reversal of 66741936 is 63914766.

It is not an unprimeable number, because it can be changed into a prime (66741931) 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, 695181 + ... + 695276.

Almost surely, 2^66741936 is an apocalyptic number.

It is an amenable number.

66741936 is an abundant number, since it is smaller than the sum of its proper divisors (105674856).

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

66741936 is a wasteful number, since it uses less digits than its factorization.

66741936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390468 (or 1390462 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 66741936 is about 8169.5737954926. The cubic root of 66741936 is about 405.6326767398.

The spelling of 66741936 in words is "sixty-six million, seven hundred forty-one thousand, nine hundred thirty-six".