42889072 has 10 divisors (see below), whose sum is σ = 83097608. Its totient is φ = 21444528.

The previous prime is 42889013. The next prime is 42889073. The reversal of 42889072 is 27098824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42889073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340268 + ... + 1340299.

Almost surely, 2^42889072 is an apocalyptic number.

It is an amenable number.

42889072 is a deficient number, since it is larger than the sum of its proper divisors (40208536).

42889072 is a wasteful number, since it uses less digits than its factorization.

42889072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680575 (or 2680569 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 42889072 is about 6548.9748816132. The cubic root of 42889072 is about 350.0382869680.

The spelling of 42889072 in words is "forty-two million, eight hundred eighty-nine thousand, seventy-two".