42745718 has 16 divisors (see below), whose sum is σ = 68071104. Its totient is φ = 20062080.

The previous prime is 42745699. The next prime is 42745723. The reversal of 42745718 is 81754724.

It is a congruent 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, 13196 + ... + 16112.

It is an arithmetic number, because the mean of its divisors is an integer number (4254444).

Almost surely, 2^42745718 is an apocalyptic number.

42745718 is a deficient number, since it is larger than the sum of its proper divisors (25325386).

42745718 is a wasteful number, since it uses less digits than its factorization.

42745718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367.

The product of its digits is 62720, while the sum is 38.

The square root of 42745718 is about 6538.0209543867. The cubic root of 42745718 is about 349.6478580667.

The spelling of 42745718 in words is "forty-two million, seven hundred forty-five thousand, seven hundred eighteen".