172473463 has 2 divisors, whose sum is σ = 172473464. Its totient is φ = 172473462.

The previous prime is 172473443. The next prime is 172473479. The reversal of 172473463 is 364374271.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172473463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172473443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86236731 + 86236732.

It is an arithmetic number, because the mean of its divisors is an integer number (86236732).

Almost surely, 2^172473463 is an apocalyptic number.

172473463 is a deficient number, since it is larger than the sum of its proper divisors (1).

172473463 is an equidigital number, since it uses as much as digits as its factorization.

172473463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 37.

The square root of 172473463 is about 13132.9152513827. The cubic root of 172473463 is about 556.6395937846.

The spelling of 172473463 in words is "one hundred seventy-two million, four hundred seventy-three thousand, four hundred sixty-three".