42810078 has 16 divisors (see below), whose sum is σ = 90126720. Its totient is φ = 13518936.

The previous prime is 42810071. The next prime is 42810113. The reversal of 42810078 is 87001824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42810071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187650 + ... + 187877.

It is an arithmetic number, because the mean of its divisors is an integer number (5632920).

Almost surely, 2^42810078 is an apocalyptic number.

42810078 is an abundant number, since it is smaller than the sum of its proper divisors (47316642).

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

42810078 is a wasteful number, since it uses less digits than its factorization.

42810078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375551.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 42810078 is about 6542.9410818072. The cubic root of 42810078 is about 349.8232522552.

The spelling of 42810078 in words is "forty-two million, eight hundred ten thousand, seventy-eight".