73136823 has 8 divisors (see below), whose sum is σ = 97678848. Its totient is φ = 48676344.

The previous prime is 73136801. The next prime is 73136837. The reversal of 73136823 is 32863137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73136823 - 2⁹ = 73136311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73136863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18261 + ... + 21902.

It is an arithmetic number, because the mean of its divisors is an integer number (12209856).

Almost surely, 2^73136823 is an apocalyptic number.

73136823 is a deficient number, since it is larger than the sum of its proper divisors (24542025).

73136823 is a wasteful number, since it uses less digits than its factorization.

73136823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40773.

The product of its digits is 18144, while the sum is 33.

The square root of 73136823 is about 8552.0069574340. The cubic root of 73136823 is about 418.1948661407.

The spelling of 73136823 in words is "seventy-three million, one hundred thirty-six thousand, eight hundred twenty-three".