42681708 has 24 divisors (see below), whose sum is σ = 110656560. Its totient is φ = 14227200.

The previous prime is 42681703. The next prime is 42681731. The reversal of 42681708 is 80718624.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42681701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197493 + ... + 197708.

It is an arithmetic number, because the mean of its divisors is an integer number (4610690).

Almost surely, 2^42681708 is an apocalyptic number.

It is an amenable number.

42681708 is an abundant number, since it is smaller than the sum of its proper divisors (67974852).

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

42681708 is a wasteful number, since it uses less digits than its factorization.

42681708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395214 (or 395206 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 42681708 is about 6533.1239082081. The cubic root of 42681708 is about 349.4732429920.

The spelling of 42681708 in words is "forty-two million, six hundred eighty-one thousand, seven hundred eight".