206912072 has 16 divisors (see below), whose sum is σ = 389137200. Its totient is φ = 103142160.

The previous prime is 206912051. The next prime is 206912077. The reversal of 206912072 is 270219602.

It is not an unprimeable number, because it can be changed into a prime (206912077) 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, 36422 + ... + 41717.

It is an arithmetic number, because the mean of its divisors is an integer number (24321075).

Almost surely, 2^206912072 is an apocalyptic number.

It is an amenable number.

206912072 is a deficient number, since it is larger than the sum of its proper divisors (182225128).

206912072 is a wasteful number, since it uses less digits than its factorization.

206912072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78476 (or 78472 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 206912072 is about 14384.4385361404. The cubic root of 206912072 is about 591.4644002215.

It can be divided in two parts, 2069 and 12072, that added together give a palindrome (14141).

The spelling of 206912072 in words is "two hundred six million, nine hundred twelve thousand, seventy-two".