66001674 has 16 divisors (see below), whose sum is σ = 137742912. Its totient is φ = 21043968.

The previous prime is 66001669. The next prime is 66001681. The reversal of 66001674 is 47610066.

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, 238999 + ... + 239274.

It is an arithmetic number, because the mean of its divisors is an integer number (8608932).

Almost surely, 2^66001674 is an apocalyptic number.

66001674 is an abundant number, since it is smaller than the sum of its proper divisors (71741238).

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

66001674 is a wasteful number, since it uses less digits than its factorization.

66001674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478301.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 66001674 is about 8124.1414315606. The cubic root of 66001674 is about 404.1274187181.

The spelling of 66001674 in words is "sixty-six million, one thousand, six hundred seventy-four".