216267074 has 4 divisors (see below), whose sum is σ = 324400614. Its totient is φ = 108133536.

The previous prime is 216267059. The next prime is 216267113. The reversal of 216267074 is 470762612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 174108025 + 42159049 = 13195^2 + 6493^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54066767 + ... + 54066770.

Almost surely, 2^216267074 is an apocalyptic number.

216267074 is a deficient number, since it is larger than the sum of its proper divisors (108133540).

216267074 is a wasteful number, since it uses less digits than its factorization.

216267074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108133539.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 216267074 is about 14706.0216918105. The cubic root of 216267074 is about 600.2471888895.

The spelling of 216267074 in words is "two hundred sixteen million, two hundred sixty-seven thousand, seventy-four".