73143003532 has 6 divisors (see below), whose sum is σ = 128000256188. Its totient is φ = 36571501764.

The previous prime is 73143003503. The next prime is 73143003533. The reversal of 73143003532 is 23530034137.

It is a junction number, because it is equal to n+sod(n) for n = 73143003494 and 73143003503.

It is not an unprimeable number, because it can be changed into a prime (73143003533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9142875438 + ... + 9142875445.

Almost surely, 2^73143003532 is an apocalyptic number.

It is an amenable number.

73143003532 is a deficient number, since it is larger than the sum of its proper divisors (54857252656).

73143003532 is a wasteful number, since it uses less digits than its factorization.

73143003532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18285750887 (or 18285750885 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 31.

Adding to 73143003532 its reverse (23530034137), we get a palindrome (96673037669).

The spelling of 73143003532 in words is "seventy-three billion, one hundred forty-three million, three thousand, five hundred thirty-two".