42605206 has 24 divisors (see below), whose sum is σ = 75571056. Its totient is φ = 17957520.

The previous prime is 42605141. The next prime is 42605237. The reversal of 42605206 is 60250624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2415 + ... + 9541.

It is an arithmetic number, because the mean of its divisors is an integer number (3148794).

Almost surely, 2^42605206 is an apocalyptic number.

42605206 is a deficient number, since it is larger than the sum of its proper divisors (32965850).

42605206 is a wasteful number, since it uses less digits than its factorization.

42605206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204 (or 7197 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42605206 is about 6527.2663497057. The cubic root of 42605206 is about 349.2643213987.

The spelling of 42605206 in words is "forty-two million, six hundred five thousand, two hundred six".