206267073 has 4 divisors (see below), whose sum is σ = 275022768. Its totient is φ = 137511380.

The previous prime is 206267029. The next prime is 206267093. The reversal of 206267073 is 370762602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206267073 - 2⁹ = 206266561 is a prime.

It is a super-2 number, since 2×206267073² = 85092210807974658, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (206267093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34377843 + ... + 34377848.

It is an arithmetic number, because the mean of its divisors is an integer number (68755692).

Almost surely, 2^206267073 is an apocalyptic number.

It is an amenable number.

206267073 is a deficient number, since it is larger than the sum of its proper divisors (68755695).

206267073 is an equidigital number, since it uses as much as digits as its factorization.

206267073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68755694.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 206267073 is about 14362.0010096087. The cubic root of 206267073 is about 590.8491774743.

The spelling of 206267073 in words is "two hundred six million, two hundred sixty-seven thousand, seventy-three".