42560757 has 6 divisors (see below), whose sum is σ = 61476662. Its totient is φ = 28373832.

The previous prime is 42560753. The next prime is 42560783. The reversal of 42560757 is 75706524.

42560757 is a `hidden beast` number, since 42 + 5 + 607 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40373316 + 2187441 = 6354^2 + 1479^2 .

It is not a de Polignac number, because 42560757 - 2² = 42560753 is a prime.

It is a super-2 number, since 2×42560757² = 3622836072826098, 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 (42560753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2364478 + ... + 2364495.

Almost surely, 2^42560757 is an apocalyptic number.

It is an amenable number.

42560757 is a deficient number, since it is larger than the sum of its proper divisors (18915905).

42560757 is a wasteful number, since it uses less digits than its factorization.

42560757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728979 (or 4728976 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 42560757 is about 6523.8605901720. The cubic root of 42560757 is about 349.1428194104.

The spelling of 42560757 in words is "forty-two million, five hundred sixty thousand, seven hundred fifty-seven".