42775071 has 24 divisors (see below), whose sum is σ = 60676272. Its totient is φ = 26784000.

The previous prime is 42775063. The next prime is 42775079. The reversal of 42775071 is 17057724.

It is a happy number.

42775071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42775063) and next prime (42775079).

It is not a de Polignac number, because 42775071 - 2³ = 42775063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42775079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106471 + ... + 106871.

It is an arithmetic number, because the mean of its divisors is an integer number (2528178).

Almost surely, 2^42775071 is an apocalyptic number.

42775071 is a deficient number, since it is larger than the sum of its proper divisors (17901201).

42775071 is a wasteful number, since it uses less digits than its factorization.

42775071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 42775071 is about 6540.2653615889. The cubic root of 42775071 is about 349.7278728280.

The spelling of 42775071 in words is "forty-two million, seven hundred seventy-five thousand, seventy-one".