42771471 has 16 divisors (see below), whose sum is σ = 58216704. Its totient is φ = 27926784.

The previous prime is 42771461. The next prime is 42771481. The reversal of 42771471 is 17417724.

It is an interprime number because it is at equal distance from previous prime (42771461) and next prime (42771481).

It is not a de Polignac number, because 42771471 - 2⁷ = 42771343 is a prime.

It is a super-3 number, since 3×42771471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42771461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29260 + ... + 30686.

It is an arithmetic number, because the mean of its divisors is an integer number (3638544).

Almost surely, 2^42771471 is an apocalyptic number.

42771471 is a deficient number, since it is larger than the sum of its proper divisors (15445233).

42771471 is a wasteful number, since it uses less digits than its factorization.

42771471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630.

The product of its digits is 10976, while the sum is 33.

The square root of 42771471 is about 6539.9901376072. The cubic root of 42771471 is about 349.7180613838.

The spelling of 42771471 in words is "forty-two million, seven hundred seventy-one thousand, four hundred seventy-one".