42771375 has 128 divisors (see below), whose sum is σ = 89856000. Its totient is φ = 19958400.

The previous prime is 42771361. The next prime is 42771383. The reversal of 42771375 is 57317724.

It is not a de Polignac number, because 42771375 - 2⁴ = 42771359 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1474861 + ... + 1474889.

It is an arithmetic number, because the mean of its divisors is an integer number (702000).

Almost surely, 2^42771375 is an apocalyptic number.

42771375 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42771375 is an abundant number, since it is smaller than the sum of its proper divisors (47084625).

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

42771375 is a wasteful number, since it uses less digits than its factorization.

42771375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 79 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 42771375 is about 6539.9827981425. The cubic root of 42771375 is about 349.7177997378.

The spelling of 42771375 in words is "forty-two million, seven hundred seventy-one thousand, three hundred seventy-five".