73802805433065 has 12 divisors (see below), whose sum is σ = 127924862750724. Its totient is φ = 39361496230944.

The previous prime is 73802805433043. The next prime is 73802805433073. The reversal of 73802805433065 is 56033450820837.

It is a happy number.

73802805433065 is a `hidden beast` number, since 7 + 3 + 8 + 0 + 2 + 8 + 0 + 543 + 30 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16380904412889 + 57421901020176 = 4047333^2 + 7577724^2 .

It is not a de Polignac number, because 73802805433065 - 2²⁰ = 73802804384489 is a prime.

It is a super-3 number, since 3×73802805433065³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820031171434 + ... + 820031171523.

It is an arithmetic number, because the mean of its divisors is an integer number (10660405229227).

Almost surely, 2^{73802805433065} is an apocalyptic number.

It is an amenable number.

73802805433065 is a deficient number, since it is larger than the sum of its proper divisors (54122057317659).

73802805433065 is a wasteful number, since it uses less digits than its factorization.

73802805433065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640062342968 (or 1640062342965 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 73802805433065 in words is "seventy-three trillion, eight hundred two billion, eight hundred five million, four hundred thirty-three thousand, sixty-five".