66707333734 has 8 divisors (see below), whose sum is σ = 104411478960. Its totient is φ = 31903507416.

The previous prime is 66707333729. The next prime is 66707333741. The reversal of 66707333734 is 43733370766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725079669 + ... + 725079760.

It is an arithmetic number, because the mean of its divisors is an integer number (13051434870).

Almost surely, 2^66707333734 is an apocalyptic number.

66707333734 is a deficient number, since it is larger than the sum of its proper divisors (37704145226).

66707333734 is a wasteful number, since it uses less digits than its factorization.

66707333734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450159454.

The product of its (nonzero) digits is 4000752, while the sum is 49.

The spelling of 66707333734 in words is "sixty-six billion, seven hundred seven million, three hundred thirty-three thousand, seven hundred thirty-four".