42866870 has 8 divisors (see below), whose sum is σ = 77160384. Its totient is φ = 17146744.

The previous prime is 42866839. The next prime is 42866891. The reversal of 42866870 is 7866824.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143334 + ... + 2143353.

It is an arithmetic number, because the mean of its divisors is an integer number (9645048).

Almost surely, 2^42866870 is an apocalyptic number.

42866870 is a deficient number, since it is larger than the sum of its proper divisors (34293514).

42866870 is a wasteful number, since it uses less digits than its factorization.

42866870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286694.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 42866870 is about 6547.2795877372. The cubic root of 42866870 is about 349.9778761526.

The spelling of 42866870 in words is "forty-two million, eight hundred sixty-six thousand, eight hundred seventy".