73622113182721 has 16 divisors (see below), whose sum is σ = 77288658558336. Its totient is φ = 69994593218176.

The previous prime is 73622113182719. The next prime is 73622113182733. The reversal of 73622113182721 is 12728131122637.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 73622113182721 - 2¹ = 73622113182719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73622113182221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11721726 + ... + 16871368.

It is an arithmetic number, because the mean of its divisors is an integer number (4830541159896).

Almost surely, 2^{73622113182721} is an apocalyptic number.

It is an amenable number.

73622113182721 is a deficient number, since it is larger than the sum of its proper divisors (3666545375615).

73622113182721 is a wasteful number, since it uses less digits than its factorization.

73622113182721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153432.

The product of its digits is 338688, while the sum is 46.

The spelling of 73622113182721 in words is "seventy-three trillion, six hundred twenty-two billion, one hundred thirteen million, one hundred eighty-two thousand, seven hundred twenty-one".