172484066 has 4 divisors (see below), whose sum is σ = 258726102. Its totient is φ = 86242032.

The previous prime is 172484009. The next prime is 172484069. The reversal of 172484066 is 660484271.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 161823841 + 10660225 = 12721^2 + 3265^2 .

It is not an unprimeable number, because it can be changed into a prime (172484069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43121015 + ... + 43121018.

Almost surely, 2^172484066 is an apocalyptic number.

172484066 is a deficient number, since it is larger than the sum of its proper divisors (86242036).

172484066 is an equidigital number, since it uses as much as digits as its factorization.

172484066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86242035.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 172484066 is about 13133.3189255420. The cubic root of 172484066 is about 556.6510002324.

The spelling of 172484066 in words is "one hundred seventy-two million, four hundred eighty-four thousand, sixty-six".