70084543 has 4 divisors (see below), whose sum is σ = 70180120. Its totient is φ = 69988968.

The previous prime is 70084541. The next prime is 70084571. The reversal of 70084543 is 34548007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70084543 - 2¹ = 70084541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70084541) 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 3 ways as a sum of consecutive naturals, for example, 46680 + ... + 48157.

It is an arithmetic number, because the mean of its divisors is an integer number (17545030).

Almost surely, 2^70084543 is an apocalyptic number.

70084543 is a deficient number, since it is larger than the sum of its proper divisors (95577).

70084543 is an equidigital number, since it uses as much as digits as its factorization.

70084543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95576.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 70084543 is about 8371.6511513560. The cubic root of 70084543 is about 412.2943802884.

The spelling of 70084543 in words is "seventy million, eighty-four thousand, five hundred forty-three".