73115005 has 4 divisors (see below), whose sum is σ = 87738012. Its totient is φ = 58492000.

The previous prime is 73114969. The next prime is 73115041. The reversal of 73115005 is 50051137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50051137 = 349 ⋅143413.

It is an interprime number because it is at equal distance from previous prime (73114969) and next prime (73115041).

It can be written as a sum of positive squares in 2 ways, for example, as 58415449 + 14699556 = 7643^2 + 3834^2 .

It is not a de Polignac number, because 73115005 - 2²¹ = 71017853 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7311496 + ... + 7311505.

It is an arithmetic number, because the mean of its divisors is an integer number (21934503).

Almost surely, 2^73115005 is an apocalyptic number.

It is an amenable number.

73115005 is a deficient number, since it is larger than the sum of its proper divisors (14623007).

73115005 is a wasteful number, since it uses less digits than its factorization.

73115005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14623006.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 73115005 is about 8550.7312552787. The cubic root of 73115005 is about 418.1532770448.

The spelling of 73115005 in words is "seventy-three million, one hundred fifteen thousand, five".