42851070 has 96 divisors (see below), whose sum is σ = 117891072. Its totient is φ = 10777536.

The previous prime is 42851063. The next prime is 42851077. The reversal of 42851070 is 7015824.

It is an interprime number because it is at equal distance from previous prime (42851063) and next prime (42851077).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42851077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 262809 + ... + 262971.

It is an arithmetic number, because the mean of its divisors is an integer number (1228032).

Almost surely, 2^42851070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42851070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58945536).

42851070 is an abundant number, since it is smaller than the sum of its proper divisors (75040002).

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

42851070 is a wasteful number, since it uses less digits than its factorization.

42851070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 42851070 is about 6546.0728685220. The cubic root of 42851070 is about 349.9348722356.

Adding to 42851070 its reverse (7015824), we get a palindrome (49866894).

The spelling of 42851070 in words is "forty-two million, eight hundred fifty-one thousand, seventy".