209068752 has 40 divisors (see below), whose sum is σ = 552660064. Its totient is φ = 68068224.

The previous prime is 209068747. The next prime is 209068753. The reversal of 209068752 is 257860902.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 209068752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209068753) 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, 48583 + ... + 52710.

Almost surely, 2^209068752 is an apocalyptic number.

It is an amenable number.

209068752 is an abundant number, since it is smaller than the sum of its proper divisors (343591312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

209068752 is a wasteful number, since it uses less digits than its factorization.

209068752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101347 (or 101341 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 209068752 is about 14459.2099369226. The cubic root of 209068752 is about 593.5122797653.

The spelling of 209068752 in words is "two hundred nine million, sixty-eight thousand, seven hundred fifty-two".