42770018 has 32 divisors (see below), whose sum is σ = 70087680. Its totient is φ = 19514880.

The previous prime is 42769999. The next prime is 42770069. The reversal of 42770018 is 81007724.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126746 + ... + 127082.

It is an arithmetic number, because the mean of its divisors is an integer number (2190240).

Almost surely, 2^42770018 is an apocalyptic number.

42770018 is a deficient number, since it is larger than the sum of its proper divisors (27317662).

42770018 is a wasteful number, since it uses less digits than its factorization.

42770018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 42770018 is about 6539.8790508694. The cubic root of 42770018 is about 349.7141012200.

The spelling of 42770018 in words is "forty-two million, seven hundred seventy thousand, eighteen".