73065745817031 has 16 divisors (see below), whose sum is σ = 108869581352448. Its totient is φ = 43202214820800.

The previous prime is 73065745816993. The next prime is 73065745817059. The reversal of 73065745817031 is 13071854756037.

It is not a de Polignac number, because 73065745817031 - 2⁹ = 73065745816519 is a prime.

It is a super-2 number, since 2×73065745817031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73065745817231) 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, 27001382911 + ... + 27001385616.

It is an arithmetic number, because the mean of its divisors is an integer number (6804348834528).

Almost surely, 2^{73065745817031} is an apocalyptic number.

73065745817031 is a deficient number, since it is larger than the sum of its proper divisors (35803835535417).

73065745817031 is a wasteful number, since it uses less digits than its factorization.

73065745817031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54002768582.

The product of its (nonzero) digits is 14817600, while the sum is 57.

The spelling of 73065745817031 in words is "seventy-three trillion, sixty-five billion, seven hundred forty-five million, eight hundred seventeen thousand, thirty-one".