42070516 has 12 divisors (see below), whose sum is σ = 73820320. Its totient is φ = 20979000.

The previous prime is 42070513. The next prime is 42070543. The reversal of 42070516 is 61507024.

42070516 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 (42070513) 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 3 ways as a sum of consecutive naturals, for example, 12360 + ... + 15391.

Almost surely, 2^42070516 is an apocalyptic number.

It is an amenable number.

42070516 is a deficient number, since it is larger than the sum of its proper divisors (31749804).

42070516 is a wasteful number, since it uses less digits than its factorization.

42070516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28134 (or 28132 counting only the distinct ones).

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

The square root of 42070516 is about 6486.1788442811. The cubic root of 42070516 is about 347.7970918249.

The spelling of 42070516 in words is "forty-two million, seventy thousand, five hundred sixteen".