207130072 has 8 divisors (see below), whose sum is σ = 388368900. Its totient is φ = 103565032.

The previous prime is 207130037. The next prime is 207130087. The reversal of 207130072 is 270031702.

207130072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12945622 + ... + 12945637.

Almost surely, 2^207130072 is an apocalyptic number.

It is an amenable number.

207130072 is a deficient number, since it is larger than the sum of its proper divisors (181238828).

207130072 is a wasteful number, since it uses less digits than its factorization.

207130072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25891265 (or 25891261 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 207130072 is about 14392.0141745344. The cubic root of 207130072 is about 591.6720471727.

Adding to 207130072 its reverse (270031702), we get a palindrome (477161774).

The spelling of 207130072 in words is "two hundred seven million, one hundred thirty thousand, seventy-two".