70843444 has 24 divisors (see below), whose sum is σ = 142003008. Its totient is φ = 30293760.

The previous prime is 70843441. The next prime is 70843453. The reversal of 70843444 is 44434807.

It is a super-2 number, since 2×70843444² = 10037587115562272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70843441) 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, 11172 + ... + 16324.

It is an arithmetic number, because the mean of its divisors is an integer number (5916792).

Almost surely, 2^70843444 is an apocalyptic number.

It is an amenable number.

70843444 is an abundant number, since it is smaller than the sum of its proper divisors (71159564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70843444 is a wasteful number, since it uses less digits than its factorization.

70843444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655 (or 5653 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 70843444 is about 8416.8547569742. The cubic root of 70843444 is about 413.7771989190. Note that the first 3 decimals are identical.

The spelling of 70843444 in words is "seventy million, eight hundred forty-three thousand, four hundred forty-four".