73143412 has 12 divisors (see below), whose sum is σ = 128091040. Its totient is φ = 36545976.

The previous prime is 73143409. The next prime is 73143437. The reversal of 73143412 is 21434137.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889 + ... + 12127.

Almost surely, 2^73143412 is an apocalyptic number.

It is an amenable number.

73143412 is a deficient number, since it is larger than the sum of its proper divisors (54947628).

73143412 is a wasteful number, since it uses less digits than its factorization.

73143412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12870 (or 12868 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 73143412 is about 8552.3921799693. The cubic root of 73143412 is about 418.2074243529.

Adding to 73143412 its reverse (21434137), we get a palindrome (94577549).

The spelling of 73143412 in words is "seventy-three million, one hundred forty-three thousand, four hundred twelve".