206730376 has 32 divisors (see below), whose sum is σ = 394740000. Its totient is φ = 101477376.

The previous prime is 206730367. The next prime is 206730383. The reversal of 206730376 is 673037602.

It is a happy number.

It is a super-2 number, since 2×206730376² = 85474896722202752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240235 + ... + 241093.

It is an arithmetic number, because the mean of its divisors is an integer number (12335625).

Almost surely, 2^206730376 is an apocalyptic number.

It is an amenable number.

206730376 is a deficient number, since it is larger than the sum of its proper divisors (188009624).

206730376 is a wasteful number, since it uses less digits than its factorization.

206730376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 206730376 is about 14378.1214350137. The cubic root of 206730376 is about 591.2912216878.

Adding to 206730376 its reverse (673037602), we get a palindrome (879767978).

The spelling of 206730376 in words is "two hundred six million, seven hundred thirty thousand, three hundred seventy-six".