73673143 has 8 divisors (see below), whose sum is σ = 76159616. Its totient is φ = 71267760.

The previous prime is 73673141. The next prime is 73673153. The reversal of 73673143 is 34137637.

It is not a de Polignac number, because 73673143 - 2¹ = 73673141 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 73673099 and 73673108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73673141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28555 + ... + 31027.

It is an arithmetic number, because the mean of its divisors is an integer number (9519952).

Almost surely, 2^73673143 is an apocalyptic number.

73673143 is a deficient number, since it is larger than the sum of its proper divisors (2486473).

73673143 is an frugal number, since it uses more digits than its factorization.

73673143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566 (or 2504 counting only the distinct ones).

The product of its digits is 31752, while the sum is 34.

The square root of 73673143 is about 8583.3060646816. The cubic root of 73673143 is about 419.2145998663.

The spelling of 73673143 in words is "seventy-three million, six hundred seventy-three thousand, one hundred forty-three".