73623543 has 16 divisors (see below), whose sum is σ = 115808256. Its totient is φ = 40713120.

The previous prime is 73623541. The next prime is 73623569. The reversal of 73623543 is 34532637.

It is not a de Polignac number, because 73623543 - 2¹ = 73623541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73623541) 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 15 ways as a sum of consecutive naturals, for example, 55896 + ... + 57197.

It is an arithmetic number, because the mean of its divisors is an integer number (7238016).

Almost surely, 2^73623543 is an apocalyptic number.

73623543 is a deficient number, since it is larger than the sum of its proper divisors (42184713).

73623543 is a wasteful number, since it uses less digits than its factorization.

73623543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113134.

The product of its digits is 45360, while the sum is 33.

The square root of 73623543 is about 8580.4162486444. The cubic root of 73623543 is about 419.1205008440.

The spelling of 73623543 in words is "seventy-three million, six hundred twenty-three thousand, five hundred forty-three".