42897168 has 80 divisors (see below), whose sum is σ = 124396800. Its totient is φ = 14152320.

The previous prime is 42897167. The next prime is 42897203. The reversal of 42897168 is 86179824.

It is not an unprimeable number, because it can be changed into a prime (42897167) 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, 46633 + ... + 47543.

It is an arithmetic number, because the mean of its divisors is an integer number (1554960).

Almost surely, 2^42897168 is an apocalyptic number.

42897168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42897168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62198400).

42897168 is an abundant number, since it is smaller than the sum of its proper divisors (81499632).

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

42897168 is a wasteful number, since it uses less digits than its factorization.

42897168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1025 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 42897168 is about 6549.5929644521. The cubic root of 42897168 is about 350.0603106953.

The spelling of 42897168 in words is "forty-two million, eight hundred ninety-seven thousand, one hundred sixty-eight".