73711873 has 4 divisors (see below), whose sum is σ = 73866240. Its totient is φ = 73557508.

The previous prime is 73711867. The next prime is 73711879. The reversal of 73711873 is 37811737.

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 an interprime number because it is at equal distance from previous prime (73711867) and next prime (73711879).

It is a cyclic number.

It is not a de Polignac number, because 73711873 - 2²⁵ = 40157441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73711879) 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, 76465 + ... + 77422.

It is an arithmetic number, because the mean of its divisors is an integer number (18466560).

Almost surely, 2^73711873 is an apocalyptic number.

It is an amenable number.

73711873 is a deficient number, since it is larger than the sum of its proper divisors (154367).

73711873 is a wasteful number, since it uses less digits than its factorization.

73711873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154366.

The product of its digits is 24696, while the sum is 37.

The square root of 73711873 is about 8585.5618919206. The cubic root of 73711873 is about 419.2880474235.

Adding to 73711873 its product of digits (24696), we get a square (73736569 = 8587²).

The spelling of 73711873 in words is "seventy-three million, seven hundred eleven thousand, eight hundred seventy-three".