73116601 has 4 divisors (see below), whose sum is σ = 73203172. Its totient is φ = 73030032.

The previous prime is 73116587. The next prime is 73116607. The reversal of 73116601 is 10661137.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10661137 = 1069 ⋅9973.

It can be written as a sum of positive squares in 2 ways, for example, as 8732025 + 64384576 = 2955^2 + 8024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73116601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73116607) 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, 42006 + ... + 43711.

It is an arithmetic number, because the mean of its divisors is an integer number (18300793).

Almost surely, 2^73116601 is an apocalyptic number.

It is an amenable number.

73116601 is a deficient number, since it is larger than the sum of its proper divisors (86571).

73116601 is an equidigital number, since it uses as much as digits as its factorization.

73116601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86570.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 73116601 is about 8550.8245801209. The cubic root of 73116601 is about 418.1563195929.

Adding to 73116601 its reverse (10661137), we get a palindrome (83777738).

The spelling of 73116601 in words is "seventy-three million, one hundred sixteen thousand, six hundred one".