207672197 has 2 divisors, whose sum is σ = 207672198. Its totient is φ = 207672196.

The previous prime is 207672181. The next prime is 207672209. The reversal of 207672197 is 791276702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187115041 + 20557156 = 13679^2 + 4534^2 .

It is a cyclic number.

It is not a de Polignac number, because 207672197 - 2⁴ = 207672181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207672107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103836098 + 103836099.

It is an arithmetic number, because the mean of its divisors is an integer number (103836099).

Almost surely, 2^207672197 is an apocalyptic number.

It is an amenable number.

207672197 is a deficient number, since it is larger than the sum of its proper divisors (1).

207672197 is an equidigital number, since it uses as much as digits as its factorization.

207672197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 207672197 is about 14410.8360964935. The cubic root of 207672197 is about 592.1877951888.

The spelling of 207672197 in words is "two hundred seven million, six hundred seventy-two thousand, one hundred ninety-seven".