73330143 has 4 divisors (see below), whose sum is σ = 97773528. Its totient is φ = 48886760.

The previous prime is 73330133. The next prime is 73330171. The reversal of 73330143 is 34103337.

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 73330143 - 2⁶ = 73330079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73330133) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 12221688 + ... + 12221693.

It is an arithmetic number, because the mean of its divisors is an integer number (24443382).

Almost surely, 2^73330143 is an apocalyptic number.

73330143 is a deficient number, since it is larger than the sum of its proper divisors (24443385).

73330143 is a wasteful number, since it uses less digits than its factorization.

73330143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24443384.

The product of its (nonzero) digits is 2268, while the sum is 24.

The square root of 73330143 is about 8563.3021084159. The cubic root of 73330143 is about 418.5630085741.

It can be divided in two parts, 733 and 30143, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 73330143 in words is "seventy-three million, three hundred thirty thousand, one hundred forty-three".