42771336 has 16 divisors (see below), whose sum is σ = 106928400. Its totient is φ = 14257104.

The previous prime is 42771319. The next prime is 42771341. The reversal of 42771336 is 63317724.

It is a junction number, because it is equal to n+sod(n) for n = 42771297 and 42771306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891046 + ... + 891093.

It is an arithmetic number, because the mean of its divisors is an integer number (6683025).

Almost surely, 2^42771336 is an apocalyptic number.

It is an amenable number.

42771336 is an abundant number, since it is smaller than the sum of its proper divisors (64157064).

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

42771336 is a wasteful number, since it uses less digits than its factorization.

42771336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782148 (or 1782144 counting only the distinct ones).

The product of its digits is 21168, while the sum is 33.

The square root of 42771336 is about 6539.9798164826. The cubic root of 42771336 is about 349.7176934440.

The spelling of 42771336 in words is "forty-two million, seven hundred seventy-one thousand, three hundred thirty-six".