42862170 has 32 divisors (see below), whose sum is σ = 110783232. Its totient is φ = 10550592.

The previous prime is 42862163. The next prime is 42862177. The reversal of 42862170 is 7126824.

It is an interprime number because it is at equal distance from previous prime (42862163) and next prime (42862177).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42862177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54562 + ... + 55341.

It is an arithmetic number, because the mean of its divisors is an integer number (3461976).

Almost surely, 2^42862170 is an apocalyptic number.

42862170 is an abundant number, since it is smaller than the sum of its proper divisors (67921062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42862170 is a wasteful number, since it uses less digits than its factorization.

42862170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109926.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 42862170 is about 6546.9206501988. The cubic root of 42862170 is about 349.9650849525.

Adding to 42862170 its reverse (7126824), we get a palindrome (49988994).

The spelling of 42862170 in words is "forty-two million, eight hundred sixty-two thousand, one hundred seventy".