66901074 has 16 divisors (see below), whose sum is σ = 134034912. Its totient is φ = 22261568.

The previous prime is 66901067. The next prime is 66901097. The reversal of 66901074 is 47010966.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5844 + ... + 12959.

It is an arithmetic number, because the mean of its divisors is an integer number (8377182).

Almost surely, 2^66901074 is an apocalyptic number.

66901074 is an abundant number, since it is smaller than the sum of its proper divisors (67133838).

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

66901074 is a wasteful number, since it uses less digits than its factorization.

66901074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19401.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 66901074 is about 8179.3076724134. The cubic root of 66901074 is about 405.9548147114.

The spelling of 66901074 in words is "sixty-six million, nine hundred one thousand, seventy-four".