70066944 has 180 divisors, whose sum is σ = 217645120. Its totient is φ = 22394880.

The previous prime is 70066939. The next prime is 70066951. The reversal of 70066944 is 44966007.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 70066899 and 70066908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 642762 + ... + 642870.

Almost surely, 2^70066944 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 70066944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108822560).

70066944 is an abundant number, since it is smaller than the sum of its proper divisors (147578176).

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

70066944 is a wasteful number, since it uses less digits than its factorization.

70066944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 70066944 is about 8370.5999784962. The cubic root of 70066944 is about 412.2598668473.

The spelling of 70066944 in words is "seventy million, sixty-six thousand, nine hundred forty-four".