73873143 has 24 divisors (see below), whose sum is σ = 115397568. Its totient is φ = 45361152.

The previous prime is 73873139. The next prime is 73873147. The reversal of 73873143 is 34137837.

It is an interprime number because it is at equal distance from previous prime (73873139) and next prime (73873147).

It is not a de Polignac number, because 73873143 - 2² = 73873139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73873098 and 73873107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73873147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2055 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (4808232).

Almost surely, 2^73873143 is an apocalyptic number.

73873143 is a deficient number, since it is larger than the sum of its proper divisors (41524425).

73873143 is a wasteful number, since it uses less digits than its factorization.

73873143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343 (or 10340 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 73873143 is about 8594.9486909463. The cubic root of 73873143 is about 419.5936034918.

The spelling of 73873143 in words is "seventy-three million, eight hundred seventy-three thousand, one hundred forty-three".