68700543 has 8 divisors (see below), whose sum is σ = 93835056. Its totient is φ = 44683200.

The previous prime is 68700521. The next prime is 68700559. The reversal of 68700543 is 34500786.

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

It is not a de Polignac number, because 68700543 - 2¹⁴ = 68684159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68701543) 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, 279148 + ... + 279393.

It is an arithmetic number, because the mean of its divisors is an integer number (11729382).

Almost surely, 2^68700543 is an apocalyptic number.

68700543 is a deficient number, since it is larger than the sum of its proper divisors (25134513).

68700543 is a wasteful number, since it uses less digits than its factorization.

68700543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558585.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 68700543 is about 8288.5790700216. The cubic root of 68700543 is about 409.5623785910.

The spelling of 68700543 in words is "sixty-eight million, seven hundred thousand, five hundred forty-three".