42770418 has 32 divisors (see below), whose sum is σ = 88862400. Its totient is φ = 13707456.

The previous prime is 42770407. The next prime is 42770437. The reversal of 42770418 is 81407724.

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, 64573 + ... + 65231.

It is an arithmetic number, because the mean of its divisors is an integer number (2776950).

Almost surely, 2^42770418 is an apocalyptic number.

42770418 is an abundant number, since it is smaller than the sum of its proper divisors (46091982).

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

42770418 is a wasteful number, since it uses less digits than its factorization.

42770418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 42770418 is about 6539.9096324032. The cubic root of 42770418 is about 349.7151914323.

The spelling of 42770418 in words is "forty-two million, seven hundred seventy thousand, four hundred eighteen".