42627128 has 8 divisors (see below), whose sum is σ = 79925880. Its totient is φ = 21313560.

The previous prime is 42627113. The next prime is 42627131. The reversal of 42627128 is 82172624.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 42627094 and 42627103.

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, 2664188 + ... + 2664203.

It is an arithmetic number, because the mean of its divisors is an integer number (9990735).

Almost surely, 2^42627128 is an apocalyptic number.

It is an amenable number.

42627128 is a deficient number, since it is larger than the sum of its proper divisors (37298752).

42627128 is a wasteful number, since it uses less digits than its factorization.

42627128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5328397 (or 5328393 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 42627128 is about 6528.9453972292. The cubic root of 42627128 is about 349.3242143894.

The spelling of 42627128 in words is "forty-two million, six hundred twenty-seven thousand, one hundred twenty-eight".