172396607 has 2 divisors, whose sum is σ = 172396608. Its totient is φ = 172396606.

The previous prime is 172396583. The next prime is 172396613. The reversal of 172396607 is 706693271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172396607 - 2¹⁰ = 172395583 is a prime.

It is a super-2 number, since 2×172396607² = 59441180210224898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172396657) 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, 86198303 + 86198304.

It is an arithmetic number, because the mean of its divisors is an integer number (86198304).

Almost surely, 2^172396607 is an apocalyptic number.

172396607 is a deficient number, since it is larger than the sum of its proper divisors (1).

172396607 is an equidigital number, since it uses as much as digits as its factorization.

172396607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 172396607 is about 13129.9888423410. The cubic root of 172396607 is about 556.5569000027.

The spelling of 172396607 in words is "one hundred seventy-two million, three hundred ninety-six thousand, six hundred seven".