73368865 has 4 divisors (see below), whose sum is σ = 88042644. Its totient is φ = 58695088.

The previous prime is 73368863. The next prime is 73368871. The reversal of 73368865 is 56886337.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47389456 + 25979409 = 6884^2 + 5097^2 .

It is a cyclic number.

It is not a de Polignac number, because 73368865 - 2¹ = 73368863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73368863) 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, 7336882 + ... + 7336891.

It is an arithmetic number, because the mean of its divisors is an integer number (22010661).

Almost surely, 2^73368865 is an apocalyptic number.

It is an amenable number.

73368865 is a deficient number, since it is larger than the sum of its proper divisors (14673779).

73368865 is a wasteful number, since it uses less digits than its factorization.

73368865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14673778.

The product of its digits is 725760, while the sum is 46.

The square root of 73368865 is about 8565.5627369134. The cubic root of 73368865 is about 418.6366697098.

The spelling of 73368865 in words is "seventy-three million, three hundred sixty-eight thousand, eight hundred sixty-five".