207240668 has 12 divisors (see below), whose sum is σ = 368617032. Its totient is φ = 101921520.

The previous prime is 207240661. The next prime is 207240701. The reversal of 207240668 is 866042702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207240661) 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, 424430 + ... + 424917.

It is an arithmetic number, because the mean of its divisors is an integer number (30718086).

Almost surely, 2^207240668 is an apocalyptic number.

It is an amenable number.

207240668 is a deficient number, since it is larger than the sum of its proper divisors (161376364).

207240668 is a wasteful number, since it uses less digits than its factorization.

207240668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849412 (or 849410 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 207240668 is about 14395.8559314825. The cubic root of 207240668 is about 591.7773351496. Note that the first 3 decimals are identical.

The spelling of 207240668 in words is "two hundred seven million, two hundred forty thousand, six hundred sixty-eight".