214705715 has 16 divisors (see below), whose sum is σ = 296609472. Its totient is φ = 146148864.

The previous prime is 214705697. The next prime is 214705723. The reversal of 214705715 is 517507412.

It is a cyclic number.

It is not a de Polignac number, because 214705715 - 2⁸ = 214705459 is a prime.

It is a super-2 number, since 2×214705715² = 92197088107322450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17594 + ... + 27183.

It is an arithmetic number, because the mean of its divisors is an integer number (18538092).

Almost surely, 2^214705715 is an apocalyptic number.

214705715 is a deficient number, since it is larger than the sum of its proper divisors (81903757).

214705715 is a wasteful number, since it uses less digits than its factorization.

214705715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44926.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 214705715 is about 14652.8398271461. The cubic root of 214705715 is about 598.7991863104.

The spelling of 214705715 in words is "two hundred fourteen million, seven hundred five thousand, seven hundred fifteen".