216738070 has 8 divisors (see below), whose sum is σ = 390128544. Its totient is φ = 86695224.

The previous prime is 216738047. The next prime is 216738133. The reversal of 216738070 is 70837612.

216738070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 10836894 + ... + 10836913.

It is an arithmetic number, because the mean of its divisors is an integer number (48766068).

Almost surely, 2^216738070 is an apocalyptic number.

216738070 is a deficient number, since it is larger than the sum of its proper divisors (173390474).

216738070 is a wasteful number, since it uses less digits than its factorization.

216738070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21673814.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 216738070 is about 14722.0266947184. The cubic root of 216738070 is about 600.6826212340.

The spelling of 216738070 in words is "two hundred sixteen million, seven hundred thirty-eight thousand, seventy".