42660068 has 24 divisors (see below), whose sum is σ = 82827360. Its totient is φ = 19061120.

The previous prime is 42660053. The next prime is 42660083. The reversal of 42660068 is 86006624.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42660053) and next prime (42660083).

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, 5621 + ... + 10812.

It is an arithmetic number, because the mean of its divisors is an integer number (3451140).

Almost surely, 2^42660068 is an apocalyptic number.

It is an amenable number.

42660068 is a deficient number, since it is larger than the sum of its proper divisors (40167292).

42660068 is a wasteful number, since it uses less digits than its factorization.

42660068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16507 (or 16505 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 42660068 is about 6531.4675226935. The cubic root of 42660068 is about 349.4141710086.

The spelling of 42660068 in words is "forty-two million, six hundred sixty thousand, sixty-eight".