66074056 has 16 divisors (see below), whose sum is σ = 125027100. Its totient is φ = 32733504.

The previous prime is 66074027. The next prime is 66074069. The reversal of 66074056 is 65047066.

66074056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 61936900 + 4137156 = 7870^2 + 2034^2 .

It is a super-2 number, since 2×66074056² = 8731561752582272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37015 + ... + 38758.

Almost surely, 2^66074056 is an apocalyptic number.

It is an amenable number.

66074056 is a deficient number, since it is larger than the sum of its proper divisors (58953044).

66074056 is a wasteful number, since it uses less digits than its factorization.

66074056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75888 (or 75884 counting only the distinct ones).

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

The square root of 66074056 is about 8128.5949585399. The cubic root of 66074056 is about 404.2750961050.

The spelling of 66074056 in words is "sixty-six million, seventy-four thousand, fifty-six".