42865207 has 8 divisors (see below), whose sum is σ = 53442432. Its totient is φ = 33401400.

The previous prime is 42865187. The next prime is 42865217. The reversal of 42865207 is 70256824.

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

It is a cyclic number.

It is not a de Polignac number, because 42865207 - 2⁷ = 42865079 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 (42865217) 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, 278269 + ... + 278422.

It is an arithmetic number, because the mean of its divisors is an integer number (6680304).

Almost surely, 2^42865207 is an apocalyptic number.

42865207 is a deficient number, since it is larger than the sum of its proper divisors (10577225).

42865207 is a wasteful number, since it uses less digits than its factorization.

42865207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556709.

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

The square root of 42865207 is about 6547.1525871939. The cubic root of 42865207 is about 349.9733503519.

The spelling of 42865207 in words is "forty-two million, eight hundred sixty-five thousand, two hundred seven".