216872752 has 20 divisors (see below), whose sum is σ = 422518096. Its totient is φ = 107835840.

The previous prime is 216872743. The next prime is 216872753. The reversal of 216872752 is 257278612.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (216872753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34548 + ... + 40339.

Almost surely, 2^216872752 is an apocalyptic number.

It is an amenable number.

216872752 is a deficient number, since it is larger than the sum of its proper divisors (205645344).

216872752 is a wasteful number, since it uses less digits than its factorization.

216872752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75076 (or 75070 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 216872752 is about 14726.6001507476. The cubic root of 216872752 is about 600.8070177543.

The spelling of 216872752 in words is "two hundred sixteen million, eight hundred seventy-two thousand, seven hundred fifty-two".