66737000740 has 24 divisors (see below), whose sum is σ = 140185063872. Its totient is φ = 26687683680.

The previous prime is 66737000711. The next prime is 66737000777. The reversal of 66737000740 is 4700073766.

66737000740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 66737000693 and 66737000702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367566 + ... + 518245.

It is an arithmetic number, because the mean of its divisors is an integer number (5841044328).

Almost surely, 2^66737000740 is an apocalyptic number.

It is an amenable number.

66737000740 is an abundant number, since it is smaller than the sum of its proper divisors (73448063132).

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

66737000740 is a wasteful number, since it uses less digits than its factorization.

66737000740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889587 (or 889585 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 66737000740 in words is "sixty-six billion, seven hundred thirty-seven million, seven hundred forty", and thus it is an aban number.