42071516 has 12 divisors (see below), whose sum is σ = 75615288. Its totient is φ = 20467152.

The previous prime is 42071509. The next prime is 42071521. The reversal of 42071516 is 61517024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141986 + ... + 142281.

It is an arithmetic number, because the mean of its divisors is an integer number (6301274).

Almost surely, 2^42071516 is an apocalyptic number.

It is an amenable number.

42071516 is a deficient number, since it is larger than the sum of its proper divisors (33543772).

42071516 is a wasteful number, since it uses less digits than its factorization.

42071516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284308 (or 284306 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 42071516 is about 6486.2559308125. The cubic root of 42071516 is about 347.7998474708.

The spelling of 42071516 in words is "forty-two million, seventy-one thousand, five hundred sixteen".