172348474 has 16 divisors (see below), whose sum is σ = 267020712. Its totient is φ = 83386368.

The previous prime is 172348439. The next prime is 172348481. The reversal of 172348474 is 474843271.

172348474 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 115240225 + 57108249 = 10735^2 + 7557^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3399 + ... + 18874.

Almost surely, 2^172348474 is an apocalyptic number.

172348474 is a deficient number, since it is larger than the sum of its proper divisors (94672238).

172348474 is a wasteful number, since it uses less digits than its factorization.

172348474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22401.

The product of its digits is 150528, while the sum is 40.

The square root of 172348474 is about 13128.1557729942. The cubic root of 172348474 is about 556.5050984287.

The spelling of 172348474 in words is "one hundred seventy-two million, three hundred forty-eight thousand, four hundred seventy-four".