172534564 has 24 divisors (see below), whose sum is σ = 320687640. Its totient is φ = 80941056.

The previous prime is 172534553. The next prime is 172534567. The reversal of 172534564 is 465435271.

172534564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18576100 + 153958464 = 4310^2 + 12408^2 .

It is not an unprimeable number, because it can be changed into a prime (172534567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19152 + ... + 26680.

It is an arithmetic number, because the mean of its divisors is an integer number (13361985).

Almost surely, 2^172534564 is an apocalyptic number.

It is an amenable number.

172534564 is a deficient number, since it is larger than the sum of its proper divisors (148153076).

172534564 is a wasteful number, since it uses less digits than its factorization.

172534564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887 (or 7885 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 172534564 is about 13135.2412996488. The cubic root of 172534564 is about 556.7053183309.

The spelling of 172534564 in words is "one hundred seventy-two million, five hundred thirty-four thousand, five hundred sixty-four".