73587450081 has 8 divisors (see below), whose sum is σ = 98153510560. Its totient is φ = 49039844832.

The previous prime is 73587450071. The next prime is 73587450113. The reversal of 73587450081 is 18005478537.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73587450081 - 2⁷ = 73587449953 is a prime.

It is a super-2 number, since 2×73587450081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73587450081.

It is not an unprimeable number, because it can be changed into a prime (73587450071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4604500 + ... + 4620453.

It is an arithmetic number, because the mean of its divisors is an integer number (12269188820).

Almost surely, 2^73587450081 is an apocalyptic number.

It is an amenable number.

73587450081 is a deficient number, since it is larger than the sum of its proper divisors (24566060479).

73587450081 is a wasteful number, since it uses less digits than its factorization.

73587450081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9227615.

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 73587450081 in words is "seventy-three billion, five hundred eighty-seven million, four hundred fifty thousand, eighty-one".