172034420527 has 4 divisors (see below), whose sum is σ = 172085884960. Its totient is φ = 171982956096.

The previous prime is 172034420483. The next prime is 172034420533. The reversal of 172034420527 is 725024430271.

172034420527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 172034420527 - 2¹⁹ = 172033896239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172034420227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25727202 + ... + 25733887.

It is an arithmetic number, because the mean of its divisors is an integer number (43021471240).

Almost surely, 2^172034420527 is an apocalyptic number.

172034420527 is a deficient number, since it is larger than the sum of its proper divisors (51464433).

172034420527 is an equidigital number, since it uses as much as digits as its factorization.

172034420527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51464432.

The product of its (nonzero) digits is 94080, while the sum is 37.

Adding to 172034420527 its reverse (725024430271), we get a palindrome (897058850798).

The spelling of 172034420527 in words is "one hundred seventy-two billion, thirty-four million, four hundred twenty thousand, five hundred twenty-seven".