43970128 has 10 divisors (see below), whose sum is σ = 85192154. Its totient is φ = 21985056.

The previous prime is 43970117. The next prime is 43970131. The reversal of 43970128 is 82107934.

It can be written as a sum of positive squares in only one way, i.e., 37063744 + 6906384 = 6088^2 + 2628^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43970093 and 43970102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374051 + ... + 1374082.

Almost surely, 2^43970128 is an apocalyptic number.

It is an amenable number.

43970128 is a deficient number, since it is larger than the sum of its proper divisors (41222026).

43970128 is a wasteful number, since it uses less digits than its factorization.

43970128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748141 (or 2748135 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 43970128 is about 6630.9975116871. The cubic root of 43970128 is about 352.9549225932.

The spelling of 43970128 in words is "forty-three million, nine hundred seventy thousand, one hundred twenty-eight".