73844820673814 has 4 divisors (see below), whose sum is σ = 110767231010724. Its totient is φ = 36922410336906.

The previous prime is 73844820673781. The next prime is 73844820673861. The reversal of 73844820673814 is 41837602844837.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18461205168452 + ... + 18461205168455.

It is an arithmetic number, because the mean of its divisors is an integer number (27691807752681).

Almost surely, 2^{73844820673814} is an apocalyptic number.

73844820673814 is a deficient number, since it is larger than the sum of its proper divisors (36922410336910).

73844820673814 is a wasteful number, since it uses less digits than its factorization.

73844820673814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36922410336909.

The product of its (nonzero) digits is 173408256, while the sum is 65.

The spelling of 73844820673814 in words is "seventy-three trillion, eight hundred forty-four billion, eight hundred twenty million, six hundred seventy-three thousand, eight hundred fourteen".