42975078 has 8 divisors (see below), whose sum is σ = 85950168. Its totient is φ = 14325024.

The previous prime is 42975077. The next prime is 42975089. The reversal of 42975078 is 87057924.

It is a sphenic number, since it is the product of 3 distinct primes.

42975078 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42975077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3581251 + ... + 3581262.

It is an arithmetic number, because the mean of its divisors is an integer number (10743771).

Almost surely, 2^42975078 is an apocalyptic number.

42975078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42975078 is a wasteful number, since it uses less digits than its factorization.

42975078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7162518.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 42975078 is about 6555.5379641949. The cubic root of 42975078 is about 350.2721094806.

The spelling of 42975078 in words is "forty-two million, nine hundred seventy-five thousand, seventy-eight".