216470273 has 8 divisors (see below), whose sum is σ = 229586496. Its totient is φ = 203662800.

The previous prime is 216470263. The next prime is 216470279. The reversal of 216470273 is 372074612.

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

It is a cyclic number.

It is not a de Polignac number, because 216470273 - 2⁴ = 216470257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216470279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75743 + ... + 78548.

It is an arithmetic number, because the mean of its divisors is an integer number (28698312).

Almost surely, 2^216470273 is an apocalyptic number.

216470273 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

216470273 is a deficient number, since it is larger than the sum of its proper divisors (13116223).

216470273 is a wasteful number, since it uses less digits than its factorization.

216470273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154375.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 216470273 is about 14712.9287703027. The cubic root of 216470273 is about 600.4351223343.

The spelling of 216470273 in words is "two hundred sixteen million, four hundred seventy thousand, two hundred seventy-three".