66673407340734 has 32 divisors (see below), whose sum is σ = 136951345239936. Its totient is φ = 21623718955680.

The previous prime is 66673407340667. The next prime is 66673407340751. The reversal of 66673407340734 is 43704370437666.

It is a congruent number.

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, 73624029 + ... + 74524119.

It is an arithmetic number, because the mean of its divisors is an integer number (4279729538748).

Almost surely, 2^{66673407340734} is an apocalyptic number.

66673407340734 is an abundant number, since it is smaller than the sum of its proper divisors (70277937899202).

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

66673407340734 is a wasteful number, since it uses less digits than its factorization.

66673407340734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233800.

The product of its (nonzero) digits is 128024064, while the sum is 60.

The spelling of 66673407340734 in words is "sixty-six trillion, six hundred seventy-three billion, four hundred seven million, three hundred forty thousand, seven hundred thirty-four".