66673400734074 has 32 divisors (see below), whose sum is σ = 139351036492800. Its totient is φ = 21245754609072.

The previous prime is 66673400734019. The next prime is 66673400734093. The reversal of 66673400734074 is 47043700437666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2749179724 + ... + 2749203975.

It is an arithmetic number, because the mean of its divisors is an integer number (4354719890400).

Almost surely, 2^{66673400734074} is an apocalyptic number.

66673400734074 is an abundant number, since it is smaller than the sum of its proper divisors (72677635758726).

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

66673400734074 is a wasteful number, since it uses less digits than its factorization.

66673400734074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498383794.

The product of its (nonzero) digits is 42674688, while the sum is 57.

The spelling of 66673400734074 in words is "sixty-six trillion, six hundred seventy-three billion, four hundred million, seven hundred thirty-four thousand, seventy-four".