43073866738 has 8 divisors (see below), whose sum is σ = 73840914432. Its totient is φ = 18460228596.

The previous prime is 43073866727. The next prime is 43073866747. The reversal of 43073866738 is 83766837034.

43073866738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 1538352370 + ... + 1538352397.

It is an arithmetic number, because the mean of its divisors is an integer number (9230114304).

Almost surely, 2^43073866738 is an apocalyptic number.

43073866738 is a deficient number, since it is larger than the sum of its proper divisors (30767047694).

43073866738 is a wasteful number, since it uses less digits than its factorization.

43073866738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076704776.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 43073866738 in words is "forty-three billion, seventy-three million, eight hundred sixty-six thousand, seven hundred thirty-eight".