73665716110741 has 4 divisors (see below), whose sum is σ = 73685449764652. Its totient is φ = 73645982456832.

The previous prime is 73665716110711. The next prime is 73665716110817. The reversal of 73665716110741 is 14701161756637.

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 58121503072516 + 15544213038225 = 7623746^2 + 3942615^2 .

It is a cyclic number.

It is not a de Polignac number, because 73665716110741 - 2⁹ = 73665716110229 is a prime.

It is a super-2 number, since 2×73665716110741² (a number of 29 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 (73665716110711) 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, 9866821356 + ... + 9866828821.

It is an arithmetic number, because the mean of its divisors is an integer number (18421362441163).

Almost surely, 2^{73665716110741} is an apocalyptic number.

It is an amenable number.

73665716110741 is a deficient number, since it is larger than the sum of its proper divisors (19733653911).

73665716110741 is a wasteful number, since it uses less digits than its factorization.

73665716110741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19733653910.

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 73665716110741 in words is "seventy-three trillion, six hundred sixty-five billion, seven hundred sixteen million, one hundred ten thousand, seven hundred forty-one".