42606078 has 16 divisors (see below), whose sum is σ = 85529856. Its totient is φ = 14149080.

The previous prime is 42606061. The next prime is 42606089. The reversal of 42606078 is 87060624.

It is a Curzon number.

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, 11476 + ... + 14727.

It is an arithmetic number, because the mean of its divisors is an integer number (5345616).

Almost surely, 2^42606078 is an apocalyptic number.

42606078 is an abundant number, since it is smaller than the sum of its proper divisors (42923778).

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

42606078 is a wasteful number, since it uses less digits than its factorization.

42606078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26479.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 42606078 is about 6527.3331460865. Note that the first 3 decimals coincide. The cubic root of 42606078 is about 349.2667041780.

The spelling of 42606078 in words is "forty-two million, six hundred six thousand, seventy-eight".