73087543 has 8 divisors (see below), whose sum is σ = 76895280. Its totient is φ = 69376320.

The previous prime is 73087541. The next prime is 73087571. The reversal of 73087543 is 34578037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73087543 - 2¹ = 73087541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73087541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22573 + ... + 25606.

It is an arithmetic number, because the mean of its divisors is an integer number (9611910).

Almost surely, 2^73087543 is an apocalyptic number.

73087543 is a deficient number, since it is larger than the sum of its proper divisors (3807737).

73087543 is a wasteful number, since it uses less digits than its factorization.

73087543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48257.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 73087543 is about 8549.1252768924. The cubic root of 73087543 is about 418.1009176907.

The spelling of 73087543 in words is "seventy-three million, eighty-seven thousand, five hundred forty-three".