42617860 has 24 divisors (see below), whose sum is σ = 91682136. Its totient is φ = 16631040.

The previous prime is 42617851. The next prime is 42617867. The reversal of 42617860 is 6871624.

It can be written as a sum of positive squares in 4 ways, for example, as 315844 + 42302016 = 562^2 + 6504^2 .

It is not an unprimeable number, because it can be changed into a prime (42617867) 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, 25167 + ... + 26806.

It is an arithmetic number, because the mean of its divisors is an integer number (3820089).

Almost surely, 2^42617860 is an apocalyptic number.

It is an amenable number.

42617860 is an abundant number, since it is smaller than the sum of its proper divisors (49064276).

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

42617860 is a wasteful number, since it uses less digits than its factorization.

42617860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52023 (or 52021 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 42617860 is about 6528.2355962388. The cubic root of 42617860 is about 349.2988958374.

It can be divided in two parts, 4261 and 7860, that added together give a palindrome (12121).

The spelling of 42617860 in words is "forty-two million, six hundred seventeen thousand, eight hundred sixty".