172289193674 has 16 divisors (see below), whose sum is σ = 278332137888. Its totient is φ = 79512710832.

The previous prime is 172289193467. The next prime is 172289193677. The reversal of 172289193674 is 476391982271.

172289193674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (172289193677) 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 7 ways as a sum of consecutive naturals, for example, 181529 + ... + 614435.

It is an arithmetic number, because the mean of its divisors is an integer number (17395758618).

Almost surely, 2^172289193674 is an apocalyptic number.

172289193674 is a deficient number, since it is larger than the sum of its proper divisors (106042944214).

172289193674 is a wasteful number, since it uses less digits than its factorization.

172289193674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448229.

The product of its digits is 9144576, while the sum is 59.

The spelling of 172289193674 in words is "one hundred seventy-two billion, two hundred eighty-nine million, one hundred ninety-three thousand, six hundred seventy-four".