66674000734 has 8 divisors (see below), whose sum is σ = 109102910328. Its totient is φ = 30306363960.

The previous prime is 66674000711. The next prime is 66674000741. The reversal of 66674000734 is 43700047666.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515318177 + ... + 1515318220.

It is an arithmetic number, because the mean of its divisors is an integer number (13637863791).

Almost surely, 2^66674000734 is an apocalyptic number.

66674000734 is a deficient number, since it is larger than the sum of its proper divisors (42428909594).

66674000734 is a wasteful number, since it uses less digits than its factorization.

66674000734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030636410.

The product of its (nonzero) digits is 508032, while the sum is 43.

It can be divided in two parts, 66 and 674000734, that multiplied together give a palindrome (44484048444).

The spelling of 66674000734 in words is "sixty-six billion, six hundred seventy-four million, seven hundred thirty-four", and thus it is an aban number.