42668610 has 16 divisors (see below), whose sum is σ = 102404736. Its totient is φ = 11378288.

The previous prime is 42668543. The next prime is 42668627. The reversal of 42668610 is 1686624.

It is a happy number.

It is a super-2 number, since 2×42668610² = 3641220558664200, which contains 22 as substring.

It is a Curzon 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, 711114 + ... + 711173.

It is an arithmetic number, because the mean of its divisors is an integer number (6400296).

Almost surely, 2^42668610 is an apocalyptic number.

42668610 is an abundant number, since it is smaller than the sum of its proper divisors (59736126).

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

42668610 is a wasteful number, since it uses less digits than its factorization.

42668610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422297.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 42668610 is about 6532.1214011988. The cubic root of 42668610 is about 349.4374909953.

The spelling of 42668610 in words is "forty-two million, six hundred sixty-eight thousand, six hundred ten".