42347860 has 48 divisors (see below), whose sum is σ = 92574720. Its totient is φ = 16254720.

The previous prime is 42347849. The next prime is 42347873. The reversal of 42347860 is 6874324.

It is a congruent number.

It is an unprimeable number.

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, 103336 + ... + 103744.

It is an arithmetic number, because the mean of its divisors is an integer number (1928640).

Almost surely, 2^42347860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42347860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46287360).

42347860 is an abundant number, since it is smaller than the sum of its proper divisors (50226860).

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

42347860 is a wasteful number, since it uses less digits than its factorization.

42347860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 42347860 is about 6507.5233384138. The cubic root of 42347860 is about 348.5596864206.

The spelling of 42347860 in words is "forty-two million, three hundred forty-seven thousand, eight hundred sixty".