42757112 has 8 divisors (see below), whose sum is σ = 80169600. Its totient is φ = 21378552.

The previous prime is 42757111. The next prime is 42757133. The reversal of 42757112 is 21175724.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42757111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2672312 + ... + 2672327.

It is an arithmetic number, because the mean of its divisors is an integer number (10021200).

Almost surely, 2^42757112 is an apocalyptic number.

It is an amenable number.

42757112 is a deficient number, since it is larger than the sum of its proper divisors (37412488).

42757112 is a wasteful number, since it uses less digits than its factorization.

42757112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344645 (or 5344641 counting only the distinct ones).

The product of its digits is 3920, while the sum is 29.

The square root of 42757112 is about 6538.8922609262. The cubic root of 42757112 is about 349.6789218704.

The spelling of 42757112 in words is "forty-two million, seven hundred fifty-seven thousand, one hundred twelve".