70111944 has 192 divisors, whose sum is σ = 235872000. Its totient is φ = 18740736.

The previous prime is 70111933. The next prime is 70111967. The reversal of 70111944 is 44911107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 419749 + ... + 419915.

It is an arithmetic number, because the mean of its divisors is an integer number (1228500).

Almost surely, 2^70111944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70111944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117936000).

70111944 is an abundant number, since it is smaller than the sum of its proper divisors (165760056).

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

70111944 is a wasteful number, since it uses less digits than its factorization.

70111944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 70111944 is about 8373.2875264140. The cubic root of 70111944 is about 412.3481049560.

The spelling of 70111944 in words is "seventy million, one hundred eleven thousand, nine hundred forty-four".