172054634 has 4 divisors (see below), whose sum is σ = 258081954. Its totient is φ = 86027316.

The previous prime is 172054627. The next prime is 172054643. The reversal of 172054634 is 436450271.

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., 171688609 + 366025 = 13103^2 + 605^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 172054634.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 43013657 + ... + 43013660.

Almost surely, 2^172054634 is an apocalyptic number.

172054634 is a deficient number, since it is larger than the sum of its proper divisors (86027320).

172054634 is an equidigital number, since it uses as much as digits as its factorization.

172054634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86027319.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 172054634 is about 13116.9597849502. The cubic root of 172054634 is about 556.1886533532.

The spelling of 172054634 in words is "one hundred seventy-two million, fifty-four thousand, six hundred thirty-four".