73771758223 has 16 divisors (see below), whose sum is σ = 77951397600. Its totient is φ = 69622295040.

The previous prime is 73771758217. The next prime is 73771758241. The reversal of 73771758223 is 32285717737.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73771758223 is a prime.

It is a super-2 number, since 2×73771758223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73771758023) 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, 6000843 + ... + 6013123.

It is an arithmetic number, because the mean of its divisors is an integer number (4871962350).

Almost surely, 2^73771758223 is an apocalyptic number.

73771758223 is a deficient number, since it is larger than the sum of its proper divisors (4179639377).

73771758223 is a wasteful number, since it uses less digits than its factorization.

73771758223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13482.

The product of its digits is 3457440, while the sum is 52.

The spelling of 73771758223 in words is "seventy-three billion, seven hundred seventy-one million, seven hundred fifty-eight thousand, two hundred twenty-three".