42975846 has 40 divisors (see below), whose sum is σ = 96720624. Its totient is φ = 14262480.

The previous prime is 42975811. The next prime is 42975851. The reversal of 42975846 is 64857924.

It is a happy number.

42975846 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 an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 49956 + ... + 50808.

Almost surely, 2^42975846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42975846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48360312).

42975846 is an abundant number, since it is smaller than the sum of its proper divisors (53744778).

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

42975846 is a wasteful number, since it uses less digits than its factorization.

42975846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1169 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 42975846 is about 6555.5965403615. The cubic root of 42975846 is about 350.2741960184.

The spelling of 42975846 in words is "forty-two million, nine hundred seventy-five thousand, eight hundred forty-six".