73081786201 has 4 divisors (see below), whose sum is σ = 73093547572. Its totient is φ = 73070024832.

The previous prime is 73081786199. The next prime is 73081786259. The reversal of 73081786201 is 10268718037.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67187232025 + 5894554176 = 259205^2 + 76776^2 .

It is a cyclic number.

It is not a de Polignac number, because 73081786201 - 2¹ = 73081786199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73081786291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5871360 + ... + 5883793.

It is an arithmetic number, because the mean of its divisors is an integer number (18273386893).

Almost surely, 2^73081786201 is an apocalyptic number.

It is an amenable number.

73081786201 is a deficient number, since it is larger than the sum of its proper divisors (11761371).

73081786201 is a wasteful number, since it uses less digits than its factorization.

73081786201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11761370.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 73081786201 in words is "seventy-three billion, eighty-one million, seven hundred eighty-six thousand, two hundred one".