70543 has 8 divisors (see below), whose sum is σ = 79056.
Its totient is φ = 62920.
The previous prime is 70537. The next prime is 70549. The reversal of 70543 is 34507.
It is an interprime number because it is at equal distance from previous prime (70537) and next prime (70549).
It is not a de Polignac number, because 70543 - 213 = 62351 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 70543.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70549) 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, 1305 + ... + 1357.
It is an arithmetic number, because the mean of its divisors is an integer number (9882).
270543 is an apocalyptic number.
70543 is a deficient number, since it is larger than the sum of its proper divisors (8513).
70543 is an equidigital number, since it uses as much as digits as its factorization.
70543 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86 (or 64 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 19.
The square root of 70543 is about 265.5993222883.
The cubic root of 70543 is about 41.3191432964.
The spelling of 70543 in words is "seventy thousand, five hundred forty-three".