42197976 has 64 divisors (see below), whose sum is σ = 117763200. Its totient is φ = 14000544.

The previous prime is 42197971. The next prime is 42197977. The reversal of 42197976 is 67979124.

42197976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42197971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74671 + ... + 75233.

It is an arithmetic number, because the mean of its divisors is an integer number (1840050).

Almost surely, 2^42197976 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 42197976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58881600).

42197976 is an abundant number, since it is smaller than the sum of its proper divisors (75565224).

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

42197976 is a wasteful number, since it uses less digits than its factorization.

42197976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 915 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 42197976 is about 6495.9969211815. The cubic root of 42197976 is about 348.1479751197.

The spelling of 42197976 in words is "forty-two million, one hundred ninety-seven thousand, nine hundred seventy-six".