214735690 has 32 divisors (see below), whose sum is σ = 420572880. Its totient is φ = 78465024.

The previous prime is 214735669. The next prime is 214735709. The reversal of 214735690 is 96537412.

214735690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 79548561 + 135187129 = 8919^2 + 11627^2 .

It is a super-2 number, since 2×214735690² = 92222833119552200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4096 + ... + 21124.

Almost surely, 2^214735690 is an apocalyptic number.

214735690 is a deficient number, since it is larger than the sum of its proper divisors (205837190).

214735690 is a wasteful number, since it uses less digits than its factorization.

214735690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17146.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 214735690 is about 14653.8626307196. The cubic root of 214735690 is about 598.8270510715.

The spelling of 214735690 in words is "two hundred fourteen million, seven hundred thirty-five thousand, six hundred ninety".