42297568 has 48 divisors (see below), whose sum is σ = 86407776. Its totient is φ = 20367360.

The previous prime is 42297557. The next prime is 42297589. The reversal of 42297568 is 86579224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134980 + ... + 135292.

It is an arithmetic number, because the mean of its divisors is an integer number (1800162).

Almost surely, 2^42297568 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 42297568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43203888).

42297568 is an abundant number, since it is smaller than the sum of its proper divisors (44110208).

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

42297568 is a wasteful number, since it uses less digits than its factorization.

42297568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 459 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 42297568 is about 6503.6580475914. The cubic root of 42297568 is about 348.4216494750.

The spelling of 42297568 in words is "forty-two million, two hundred ninety-seven thousand, five hundred sixty-eight".