207942673 has 8 divisors (see below), whose sum is σ = 215677800. Its totient is φ = 200245248.

The previous prime is 207942659. The next prime is 207942677. The reversal of 207942673 is 376249702.

It can be written as a sum of positive squares in 4 ways, for example, as 17833729 + 190108944 = 4223^2 + 13788^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207942673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207942677) 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, 2065 + ... + 20497.

It is an arithmetic number, because the mean of its divisors is an integer number (26959725).

Almost surely, 2^207942673 is an apocalyptic number.

It is an amenable number.

207942673 is a deficient number, since it is larger than the sum of its proper divisors (7735127).

207942673 is a wasteful number, since it uses less digits than its factorization.

207942673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18851.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 207942673 is about 14420.2175087618. The cubic root of 207942673 is about 592.4447756632. Note that the first 3 decimals are identical.

The spelling of 207942673 in words is "two hundred seven million, nine hundred forty-two thousand, six hundred seventy-three".