42516072 has 48 divisors (see below), whose sum is σ = 121212000. Its totient is φ = 13425696.

The previous prime is 42516043. The next prime is 42516073. The reversal of 42516072 is 27061524.

42516072 is a `hidden beast` number, since 4 + 2 + 51 + 607 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (42516073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14172 + ... + 16907.

It is an arithmetic number, because the mean of its divisors is an integer number (2525250).

Almost surely, 2^42516072 is an apocalyptic number.

It is an amenable number.

42516072 is an abundant number, since it is smaller than the sum of its proper divisors (78695928).

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

42516072 is a wasteful number, since it uses less digits than its factorization.

42516072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31110 (or 31103 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 42516072 is about 6520.4349548170. The cubic root of 42516072 is about 349.0205870128.

Adding to 42516072 its reverse (27061524), we get a palindrome (69577596).

The spelling of 42516072 in words is "forty-two million, five hundred sixteen thousand, seventy-two".