42755773 has 8 divisors (see below), whose sum is σ = 44330400. Its totient is φ = 41187888.

The previous prime is 42755767. The next prime is 42755777. The reversal of 42755773 is 37755724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42755773 - 2²¹ = 40658621 is a prime.

It is a super-2 number, since 2×42755773² = 3656112249655058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42755777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13758 + ... + 16576.

It is an arithmetic number, because the mean of its divisors is an integer number (5541300).

Almost surely, 2^42755773 is an apocalyptic number.

It is an amenable number.

42755773 is a deficient number, since it is larger than the sum of its proper divisors (1574627).

42755773 is a wasteful number, since it uses less digits than its factorization.

42755773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371.

The product of its digits is 205800, while the sum is 40.

The square root of 42755773 is about 6538.7898727517. The cubic root of 42755773 is about 349.6752716008.

The spelling of 42755773 in words is "forty-two million, seven hundred fifty-five thousand, seven hundred seventy-three".