172466407 has 2 divisors, whose sum is σ = 172466408. Its totient is φ = 172466406.

The previous prime is 172466389. The next prime is 172466417. The reversal of 172466407 is 704664271.

172466407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172466407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172466417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86233203 + 86233204.

It is an arithmetic number, because the mean of its divisors is an integer number (86233204).

Almost surely, 2^172466407 is an apocalyptic number.

172466407 is a deficient number, since it is larger than the sum of its proper divisors (1).

172466407 is an equidigital number, since it uses as much as digits as its factorization.

172466407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 172466407 is about 13132.6466106417. The cubic root of 172466407 is about 556.6320028535.

It can be divided in two parts, 17246 and 6407, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 172466407 in words is "one hundred seventy-two million, four hundred sixty-six thousand, four hundred seven".