42034078 has 16 divisors (see below), whose sum is σ = 66193920. Its totient is φ = 19992600.

The previous prime is 42034051. The next prime is 42034103. The reversal of 42034078 is 87043024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088 + ... + 9403.

It is an arithmetic number, because the mean of its divisors is an integer number (4137120).

Almost surely, 2^42034078 is an apocalyptic number.

42034078 is a deficient number, since it is larger than the sum of its proper divisors (24159842).

42034078 is a wasteful number, since it uses less digits than its factorization.

42034078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11583.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 42034078 is about 6483.3693400885. The cubic root of 42034078 is about 347.6966518004.

It can be divided in two parts, 4203 and 4078, that added together give a square (8281 = 91²).

The spelling of 42034078 in words is "forty-two million, thirty-four thousand, seventy-eight".