172207627 has 2 divisors, whose sum is σ = 172207628. Its totient is φ = 172207626.

The previous prime is 172207591. The next prime is 172207631. The reversal of 172207627 is 726702271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172207627 - 2¹⁵ = 172174859 is a prime.

It is a super-2 number, since 2×172207627² = 59310933593942258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 172207592 and 172207601.

It is not a weakly prime, because it can be changed into another prime (172207327) by changing a digit.

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, 86103813 + 86103814.

It is an arithmetic number, because the mean of its divisors is an integer number (86103814).

Almost surely, 2^172207627 is an apocalyptic number.

172207627 is a deficient number, since it is larger than the sum of its proper divisors (1).

172207627 is an equidigital number, since it uses as much as digits as its factorization.

172207627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 172207627 is about 13122.7903663817. The cubic root of 172207627 is about 556.3534610061.

Adding to 172207627 its reverse (726702271), we get a palindrome (898909898).

The spelling of 172207627 in words is "one hundred seventy-two million, two hundred seven thousand, six hundred twenty-seven".