83742216 has 16 divisors (see below), whose sum is σ = 209355600. Its totient is φ = 27914064.

The previous prime is 83742179. The next prime is 83742229. The reversal of 83742216 is 61224738.

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, 1744606 + ... + 1744653.

It is an arithmetic number, because the mean of its divisors is an integer number (13084725).

Almost surely, 2^83742216 is an apocalyptic number.

It is an amenable number.

83742216 is an abundant number, since it is smaller than the sum of its proper divisors (125613384).

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

83742216 is a wasteful number, since it uses less digits than its factorization.

83742216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489268 (or 3489264 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 83742216 is about 9151.0773136282. The cubic root of 83742216 is about 437.5034509660.

The spelling of 83742216 in words is "eighty-three million, seven hundred forty-two thousand, two hundred sixteen".