70543535 has 4 divisors (see below), whose sum is σ = 84652248. Its totient is φ = 56434824.

The previous prime is 70543531. The next prime is 70543537. The reversal of 70543535 is 53534507.

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 70543535 - 2² = 70543531 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 (70543531) 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 3 ways as a sum of consecutive naturals, for example, 7054349 + ... + 7054358.

It is an arithmetic number, because the mean of its divisors is an integer number (21163062).

Almost surely, 2^70543535 is an apocalyptic number.

70543535 is a deficient number, since it is larger than the sum of its proper divisors (14108713).

70543535 is a wasteful number, since it uses less digits than its factorization.

70543535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14108712.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 70543535 is about 8399.0198832959. The cubic root of 70543535 is about 413.1924775133.

Subtracting from 70543535 its reverse (53534507), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 70543535 in words is "seventy million, five hundred forty-three thousand, five hundred thirty-five".