73801335861 has 12 divisors (see below), whose sum is σ = 116293014240. Its totient is φ = 44728082280.

The previous prime is 73801335857. The next prime is 73801335911. The reversal of 73801335861 is 16853310837.

73801335861 is a `hidden beast` number, since 7 + 38 + 0 + 1 + 33 + 586 + 1 = 666.

It is not a de Polignac number, because 73801335861 - 2² = 73801335857 is a prime.

It is a super-2 number, since 2×73801335861² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73801330861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372733921 + ... + 372734118.

It is an arithmetic number, because the mean of its divisors is an integer number (9691084520).

Almost surely, 2^73801335861 is an apocalyptic number.

It is an amenable number.

73801335861 is a deficient number, since it is larger than the sum of its proper divisors (42491678379).

73801335861 is a wasteful number, since it uses less digits than its factorization.

73801335861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745468056 (or 745468053 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 73801335861 in words is "seventy-three billion, eight hundred one million, three hundred thirty-five thousand, eight hundred sixty-one".