42870526 has 16 divisors (see below), whose sum is σ = 66821040. Its totient is φ = 20603520.

The previous prime is 42870493. The next prime is 42870547. The reversal of 42870526 is 62507824.

It is a junction number, because it is equal to n+sod(n) for n = 42870491 and 42870500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12445 + ... + 15511.

It is an arithmetic number, because the mean of its divisors is an integer number (4176315).

Almost surely, 2^42870526 is an apocalyptic number.

42870526 is a deficient number, since it is larger than the sum of its proper divisors (23950514).

42870526 is a wasteful number, since it uses less digits than its factorization.

42870526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 42870526 is about 6547.5587817140. The cubic root of 42870526 is about 349.9878254269.

The spelling of 42870526 in words is "forty-two million, eight hundred seventy thousand, five hundred twenty-six".