172707061 has 2 divisors, whose sum is σ = 172707062. Its totient is φ = 172707060.

The previous prime is 172707037. The next prime is 172707077. The reversal of 172707061 is 160707271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110376036 + 62331025 = 10506^2 + 7895^2 .

It is a cyclic number.

It is not a de Polignac number, because 172707061 - 2¹⁷ = 172575989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172707011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86353530 + 86353531.

It is an arithmetic number, because the mean of its divisors is an integer number (86353531).

Almost surely, 2^172707061 is an apocalyptic number.

It is an amenable number.

172707061 is a deficient number, since it is larger than the sum of its proper divisors (1).

172707061 is an equidigital number, since it uses as much as digits as its factorization.

172707061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 31.

The square root of 172707061 is about 13141.8058500345. The cubic root of 172707061 is about 556.8907845737.

The spelling of 172707061 in words is "one hundred seventy-two million, seven hundred seven thousand, sixty-one".