66734074 has 16 divisors (see below), whose sum is σ = 111054240. Its totient is φ = 29818960.

The previous prime is 66734047. The next prime is 66734131. The reversal of 66734074 is 47043766.

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, 24409 + ... + 27004.

It is an arithmetic number, because the mean of its divisors is an integer number (6940890).

Almost surely, 2^66734074 is an apocalyptic number.

66734074 is a deficient number, since it is larger than the sum of its proper divisors (44320166).

66734074 is a wasteful number, since it uses less digits than its factorization.

66734074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51485.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 66734074 is about 8169.0926056692. The cubic root of 66734074 is about 405.6167486765.

The spelling of 66734074 in words is "sixty-six million, seven hundred thirty-four thousand, seventy-four".