42771306 has 16 divisors (see below), whose sum is σ = 89262144. Its totient is φ = 13637184.

The previous prime is 42771247. The next prime is 42771319. The reversal of 42771306 is 60317724.

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, 154831 + ... + 155106.

It is an arithmetic number, because the mean of its divisors is an integer number (5578884).

Almost surely, 2^42771306 is an apocalyptic number.

42771306 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42771306 is an abundant number, since it is smaller than the sum of its proper divisors (46490838).

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

42771306 is a wasteful number, since it uses less digits than its factorization.

42771306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309965.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 42771306 is about 6539.9775228972. The cubic root of 42771306 is about 349.7176116794.

The spelling of 42771306 in words is "forty-two million, seven hundred seventy-one thousand, three hundred six".