205736073 has 8 divisors (see below), whose sum is σ = 281005536. Its totient is φ = 133812000.

The previous prime is 205736059. The next prime is 205736099. The reversal of 205736073 is 370637502.

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

It is not a de Polignac number, because 205736073 - 2¹⁶ = 205670537 is a prime.

It is a super-2 number, since 2×205736073² = 84654663466922658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205736473) 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, 836203 + ... + 836448.

It is an arithmetic number, because the mean of its divisors is an integer number (35125692).

Almost surely, 2^205736073 is an apocalyptic number.

It is an amenable number.

205736073 is a deficient number, since it is larger than the sum of its proper divisors (75269463).

205736073 is a wasteful number, since it uses less digits than its factorization.

205736073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672695.

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 205736073 is about 14343.5028148636. The cubic root of 205736073 is about 590.3417277251.

The spelling of 205736073 in words is "two hundred five million, seven hundred thirty-six thousand, seventy-three".