206072474 has 8 divisors (see below), whose sum is σ = 310209588. Its totient is φ = 102669280.

The previous prime is 206072473. The next prime is 206072491. The reversal of 206072474 is 474270602.

It can be written as a sum of positive squares in 2 ways, for example, as 180499225 + 25573249 = 13435^2 + 5057^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 206072474.

It is not an unprimeable number, because it can be changed into a prime (206072473) 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, 182777 + ... + 183900.

Almost surely, 2^206072474 is an apocalyptic number.

206072474 is a deficient number, since it is larger than the sum of its proper divisors (104137114).

206072474 is a wasteful number, since it uses less digits than its factorization.

206072474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366960.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 206072474 is about 14355.2246238086. The cubic root of 206072474 is about 590.6633102965.

The spelling of 206072474 in words is "two hundred six million, seventy-two thousand, four hundred seventy-four".