73065873 has 4 divisors (see below), whose sum is σ = 97421168. Its totient is φ = 48710580.

The previous prime is 73065869. The next prime is 73065911. The reversal of 73065873 is 37856037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 73065873 - 2² = 73065869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73065833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12177643 + ... + 12177648.

It is an arithmetic number, because the mean of its divisors is an integer number (24355292).

Almost surely, 2^73065873 is an apocalyptic number.

It is an amenable number.

73065873 is a deficient number, since it is larger than the sum of its proper divisors (24355295).

73065873 is a wasteful number, since it uses less digits than its factorization.

73065873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24355294.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 73065873 is about 8547.8578018121. The cubic root of 73065873 is about 418.0595921693.

The spelling of 73065873 in words is "seventy-three million, sixty-five thousand, eight hundred seventy-three".