42775712 has 48 divisors (see below), whose sum is σ = 98505792. Its totient is φ = 17902080.

The previous prime is 42775709. The next prime is 42775727. The reversal of 42775712 is 21757724.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7412 + ... + 11852.

It is an arithmetic number, because the mean of its divisors is an integer number (2052204).

Almost surely, 2^42775712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42775712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49252896).

42775712 is an abundant number, since it is smaller than the sum of its proper divisors (55730080).

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

42775712 is a wasteful number, since it uses less digits than its factorization.

42775712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501 (or 4493 counting only the distinct ones).

The product of its digits is 27440, while the sum is 35.

The square root of 42775712 is about 6540.3143655332. The cubic root of 42775712 is about 349.7296197524.

The spelling of 42775712 in words is "forty-two million, seven hundred seventy-five thousand, seven hundred twelve".