42870527 has 8 divisors (see below), whose sum is σ = 50134656. Its totient is φ = 35891352.

The previous prime is 42870493. The next prime is 42870547. The reversal of 42870527 is 72507824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42870527 - 2¹⁶ = 42804991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42870547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70913 + ... + 71514.

It is an arithmetic number, because the mean of its divisors is an integer number (6266832).

Almost surely, 2^42870527 is an apocalyptic number.

42870527 is a deficient number, since it is larger than the sum of its proper divisors (7264129).

42870527 is a wasteful number, since it uses less digits than its factorization.

42870527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142477.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 42870527 is about 6547.5588580783. The cubic root of 42870527 is about 349.9878281481.

The spelling of 42870527 in words is "forty-two million, eight hundred seventy thousand, five hundred twenty-seven".