73708074081 has 6 divisors (see below), whose sum is σ = 106467218130. Its totient is φ = 49138716048.

The previous prime is 73708074073. The next prime is 73708074109. The reversal of 73708074081 is 18047080737.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 69498140625 + 4209933456 = 263625^2 + 64884^2 .

It is not a de Polignac number, because 73708074081 - 2³ = 73708074073 is a prime.

It is a super-2 number, since 2×73708074081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73708074001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4094892996 + ... + 4094893013.

It is an arithmetic number, because the mean of its divisors is an integer number (17744536355).

Almost surely, 2^73708074081 is an apocalyptic number.

It is an amenable number.

73708074081 is a deficient number, since it is larger than the sum of its proper divisors (32759144049).

73708074081 is a wasteful number, since it uses less digits than its factorization.

73708074081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8189786015 (or 8189786012 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The spelling of 73708074081 in words is "seventy-three billion, seven hundred eight million, seventy-four thousand, eighty-one".