216719074 has 32 divisors (see below), whose sum is σ = 382798080. Its totient is φ = 90720000.

The previous prime is 216719039. The next prime is 216719081. The reversal of 216719074 is 470917612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214282 + ... + 215290.

It is an arithmetic number, because the mean of its divisors is an integer number (11962440).

Almost surely, 2^216719074 is an apocalyptic number.

216719074 is a deficient number, since it is larger than the sum of its proper divisors (166079006).

216719074 is a wasteful number, since it uses less digits than its factorization.

216719074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 216719074 is about 14721.3815248434. The cubic root of 216719074 is about 600.6650717861.

The spelling of 216719074 in words is "two hundred sixteen million, seven hundred nineteen thousand, seventy-four".