42506610 has 32 divisors (see below), whose sum is σ = 107386560. Its totient is φ = 10738368.

The previous prime is 42506587. The next prime is 42506623. The reversal of 42506610 is 1660524.

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 15 ways as a sum of consecutive naturals, for example, 36717 + ... + 37856.

It is an arithmetic number, because the mean of its divisors is an integer number (3355830).

Almost surely, 2^42506610 is an apocalyptic number.

42506610 is an abundant number, since it is smaller than the sum of its proper divisors (64879950).

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

42506610 is a wasteful number, since it uses less digits than its factorization.

42506610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74602.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 42506610 is about 6519.7093493499. The cubic root of 42506610 is about 348.9946934495.

The spelling of 42506610 in words is "forty-two million, five hundred six thousand, six hundred ten".