70843443 has 12 divisors (see below), whose sum is σ = 103826184. Its totient is φ = 42935200.

The previous prime is 70843441. The next prime is 70843453. The reversal of 70843443 is 34434807.

It is not a de Polignac number, because 70843443 - 2¹ = 70843441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (70843441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97218 + ... + 97943.

It is an arithmetic number, because the mean of its divisors is an integer number (8652182).

Almost surely, 2^70843443 is an apocalyptic number.

70843443 is a deficient number, since it is larger than the sum of its proper divisors (32982741).

70843443 is a wasteful number, since it uses less digits than its factorization.

70843443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195186 (or 195175 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 70843443 is about 8416.8546975696. The cubic root of 70843443 is about 413.7771969721. Note that the first 3 decimals are identical.

The spelling of 70843443 in words is "seventy million, eight hundred forty-three thousand, four hundred forty-three".