73086823 has 4 divisors (see below), whose sum is σ = 73236168. Its totient is φ = 72937480.

The previous prime is 73086821. The next prime is 73086851. The reversal of 73086823 is 32868037.

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

It is a cyclic number.

It is not a de Polignac number, because 73086823 - 2¹ = 73086821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73086821) 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, 73936 + ... + 74917.

It is an arithmetic number, because the mean of its divisors is an integer number (18309042).

Almost surely, 2^73086823 is an apocalyptic number.

73086823 is a deficient number, since it is larger than the sum of its proper divisors (149345).

73086823 is a wasteful number, since it uses less digits than its factorization.

73086823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149344.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 73086823 is about 8549.0831672174. The cubic root of 73086823 is about 418.0995447543.

The spelling of 73086823 in words is "seventy-three million, eighty-six thousand, eight hundred twenty-three".