207130064 has 20 divisors (see below), whose sum is σ = 415153860. Its totient is φ = 99993600.

The previous prime is 207130037. The next prime is 207130087. The reversal of 207130064 is 460031702.

It can be written as a sum of positive squares in 2 ways, for example, as 108326464 + 98803600 = 10408^2 + 9940^2 .

It is a super-3 number, since 3×207130064³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222737 + ... + 223664.

It is an arithmetic number, because the mean of its divisors is an integer number (20757693).

Almost surely, 2^207130064 is an apocalyptic number.

It is an amenable number.

207130064 is an abundant number, since it is smaller than the sum of its proper divisors (208023796).

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

207130064 is a wasteful number, since it uses less digits than its factorization.

207130064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446438 (or 446432 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 207130064 is about 14392.0138966025. The cubic root of 207130064 is about 591.6720395553.

Adding to 207130064 its reverse (460031702), we get a palindrome (667161766).

The spelling of 207130064 in words is "two hundred seven million, one hundred thirty thousand, sixty-four".