42707718 has 48 divisors (see below), whose sum is σ = 95528160. Its totient is φ = 13782912.

The previous prime is 42707713. The next prime is 42707737. The reversal of 42707718 is 81770724.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42707713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84655 + ... + 85157.

It is an arithmetic number, because the mean of its divisors is an integer number (1990170).

Almost surely, 2^42707718 is an apocalyptic number.

42707718 is an abundant number, since it is smaller than the sum of its proper divisors (52820442).

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

42707718 is a wasteful number, since it uses less digits than its factorization.

42707718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 42707718 is about 6535.1142300651. The cubic root of 42707718 is about 349.5442176060.

The spelling of 42707718 in words is "forty-two million, seven hundred seven thousand, seven hundred eighteen".