42516070 has 32 divisors (see below), whose sum is σ = 78871968. Its totient is φ = 16493568.

The previous prime is 42516043. The next prime is 42516073. The reversal of 42516070 is 7061524.

42516070 = 118² + 119² + ... + 505².

42516070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50997 + ... + 51823.

It is an arithmetic number, because the mean of its divisors is an integer number (2464749).

Almost surely, 2^42516070 is an apocalyptic number.

42516070 is a deficient number, since it is larger than the sum of its proper divisors (36355898).

42516070 is a wasteful number, since it uses less digits than its factorization.

42516070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 42516070 is about 6520.4348014530. The cubic root of 42516070 is about 349.0205815401.

Adding to 42516070 its reverse (7061524), we get a palindrome (49577594).

The spelling of 42516070 in words is "forty-two million, five hundred sixteen thousand, seventy".