43772064005 has 8 divisors (see below), whose sum is σ = 52551876600. Its totient is φ = 35000718016.

The previous prime is 43772064001. The next prime is 43772064019. The reversal of 43772064005 is 50046027734.

It can be written as a sum of positive squares in 4 ways, for example, as 5267420929 + 38504643076 = 72577^2 + 196226^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 43772064005 - 2² = 43772064001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43772064005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43772064001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2105270 + ... + 2125959.

It is an arithmetic number, because the mean of its divisors is an integer number (6568984575).

Almost surely, 2^43772064005 is an apocalyptic number.

It is an amenable number.

43772064005 is a deficient number, since it is larger than the sum of its proper divisors (8779812595).

43772064005 is a wasteful number, since it uses less digits than its factorization.

43772064005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233303.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 43772064005 in words is "forty-three billion, seven hundred seventy-two million, sixty-four thousand, five".