42500668 has 12 divisors (see below), whose sum is σ = 85001392. Its totient is φ = 18214560.

The previous prime is 42500651. The next prime is 42500669. The reversal of 42500668 is 86600524.

42500668 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758913 + ... + 758968.

Almost surely, 2^42500668 is an apocalyptic number.

It is an amenable number.

42500668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42500668 is a wasteful number, since it uses less digits than its factorization.

42500668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517892 (or 1517890 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 42500668 is about 6519.2536382626. The cubic root of 42500668 is about 348.9784306996.

The spelling of 42500668 in words is "forty-two million, five hundred thousand, six hundred sixty-eight".