42775748 has 24 divisors (see below), whose sum is σ = 76460832. Its totient is φ = 20934144.

The previous prime is 42775741. The next prime is 42775763. The reversal of 42775748 is 84757724.

It is a junction number, because it is equal to n+sod(n) for n = 42775699 and 42775708.

It is not an unprimeable number, because it can be changed into a prime (42775741) 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 7 ways as a sum of consecutive naturals, for example, 51311 + ... + 52137.

It is an arithmetic number, because the mean of its divisors is an integer number (3185868).

Almost surely, 2^42775748 is an apocalyptic number.

It is an amenable number.

42775748 is a deficient number, since it is larger than the sum of its proper divisors (33685084).

42775748 is a wasteful number, since it uses less digits than its factorization.

42775748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1089 counting only the distinct ones).

The product of its digits is 439040, while the sum is 44.

The square root of 42775748 is about 6540.3171176939. The cubic root of 42775748 is about 349.7297178631.

The spelling of 42775748 in words is "forty-two million, seven hundred seventy-five thousand, seven hundred forty-eight".