214715247 has 8 divisors (see below), whose sum is σ = 286513920. Its totient is φ = 143030040.

The previous prime is 214715239. The next prime is 214715299. The reversal of 214715247 is 742517412.

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

It is not a de Polignac number, because 214715247 - 2³ = 214715239 is a prime.

It is a super-2 number, since 2×214715247² = 92205274588542018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214715227) 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, 23847 + ... + 31592.

It is an arithmetic number, because the mean of its divisors is an integer number (35814240).

Almost surely, 2^214715247 is an apocalyptic number.

214715247 is a deficient number, since it is larger than the sum of its proper divisors (71798673).

214715247 is a wasteful number, since it uses less digits than its factorization.

214715247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56733.

The product of its digits is 15680, while the sum is 33.

The square root of 214715247 is about 14653.1650847180. The cubic root of 214715247 is about 598.8080475391.

The spelling of 214715247 in words is "two hundred fourteen million, seven hundred fifteen thousand, two hundred forty-seven".