207130772 has 6 divisors (see below), whose sum is σ = 362478858. Its totient is φ = 103565384.

The previous prime is 207130753. The next prime is 207130829. The reversal of 207130772 is 277031702.

It can be written as a sum of positive squares in only one way, i.e., 126202756 + 80928016 = 11234^2 + 8996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25891343 + ... + 25891350.

It is an arithmetic number, because the mean of its divisors is an integer number (60413143).

Almost surely, 2^207130772 is an apocalyptic number.

It is an amenable number.

207130772 is a deficient number, since it is larger than the sum of its proper divisors (155348086).

207130772 is a wasteful number, since it uses less digits than its factorization.

207130772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51782697 (or 51782695 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 207130772 is about 14392.0384935561. The cubic root of 207130772 is about 591.6727136943.

The spelling of 207130772 in words is "two hundred seven million, one hundred thirty thousand, seven hundred seventy-two".