66740000734 has 12 divisors (see below), whose sum is σ = 110038266072. Its totient is φ = 30336363860.

The previous prime is 66740000707. The next prime is 66740000779. The reversal of 66740000734 is 43700004766.

It is a junction number, because it is equal to n+sod(n) for n = 66740000693 and 66740000702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137892322 + ... + 137892805.

It is an arithmetic number, because the mean of its divisors is an integer number (9169855506).

Almost surely, 2^66740000734 is an apocalyptic number.

66740000734 is a deficient number, since it is larger than the sum of its proper divisors (43298265338).

66740000734 is a wasteful number, since it uses less digits than its factorization.

66740000734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275785151 (or 275785140 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

It can be divided in two parts, 6 and 6740000734, that multiplied together give a palindrome (40440004404).

The spelling of 66740000734 in words is "sixty-six billion, seven hundred forty million, seven hundred thirty-four", and thus it is an aban number.