216073750 has 20 divisors (see below), whose sum is σ = 405010980. Its totient is φ = 86429000.

The previous prime is 216073733. The next prime is 216073783. The reversal of 216073750 is 57370612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 85180 + ... + 87679.

It is an arithmetic number, because the mean of its divisors is an integer number (20250549).

Almost surely, 2^216073750 is an apocalyptic number.

216073750 is a deficient number, since it is larger than the sum of its proper divisors (188937230).

216073750 is an equidigital number, since it uses as much as digits as its factorization.

216073750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172881 (or 172866 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 216073750 is about 14699.4472685200. The cubic root of 216073750 is about 600.0682792666.

The spelling of 216073750 in words is "two hundred sixteen million, seventy-three thousand, seven hundred fifty".