73232143 has 4 divisors (see below), whose sum is σ = 73250008. Its totient is φ = 73214280.

The previous prime is 73232129. The next prime is 73232177. The reversal of 73232143 is 34123237.

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 73232143 - 2¹³ = 73223951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73232123) 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, 628 + ... + 12118.

It is an arithmetic number, because the mean of its divisors is an integer number (18312502).

Almost surely, 2^73232143 is an apocalyptic number.

73232143 is a deficient number, since it is larger than the sum of its proper divisors (17865).

73232143 is a wasteful number, since it uses less digits than its factorization.

73232143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17864.

The product of its digits is 3024, while the sum is 25.

The square root of 73232143 is about 8557.5781036459. The cubic root of 73232143 is about 418.3764665433.

It can be divided in two parts, 73232 and 143, that multiplied together give a triangular number (10472176 = T₄₅₇₆).

The spelling of 73232143 in words is "seventy-three million, two hundred thirty-two thousand, one hundred forty-three".