42865607 has 4 divisors (see below), whose sum is σ = 43012200. Its totient is φ = 42719016.

The previous prime is 42865579. The next prime is 42865621. The reversal of 42865607 is 70656824.

It is a happy number.

42865607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42865607 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 (42865657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72857 + ... + 73442.

It is an arithmetic number, because the mean of its divisors is an integer number (10753050).

Almost surely, 2^42865607 is an apocalyptic number.

42865607 is a deficient number, since it is larger than the sum of its proper divisors (146593).

42865607 is a wasteful number, since it uses less digits than its factorization.

42865607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146592.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 42865607 is about 6547.1831347534. The cubic root of 42865607 is about 349.9744389496.

The spelling of 42865607 in words is "forty-two million, eight hundred sixty-five thousand, six hundred seven".