42603066 has 48 divisors (see below), whose sum is σ = 101724480. Its totient is φ = 12778560.

The previous prime is 42603047. The next prime is 42603091. The reversal of 42603066 is 66030624.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19350 + ... + 21438.

It is an arithmetic number, because the mean of its divisors is an integer number (2119260).

Almost surely, 2^42603066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42603066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50862240).

42603066 is an abundant number, since it is smaller than the sum of its proper divisors (59121414).

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

42603066 is a wasteful number, since it uses less digits than its factorization.

42603066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211 (or 2208 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 42603066 is about 6527.1024199104. The cubic root of 42603066 is about 349.2584736144.

The spelling of 42603066 in words is "forty-two million, six hundred three thousand, sixty-six".