172059404 has 12 divisors (see below), whose sum is σ = 328477128. Its totient is φ = 78208800.

The previous prime is 172059401. The next prime is 172059409. The reversal of 172059404 is 404950271.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (172059401) 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 3 ways as a sum of consecutive naturals, for example, 1955177 + ... + 1955264.

It is an arithmetic number, because the mean of its divisors is an integer number (27373094).

Almost surely, 2^172059404 is an apocalyptic number.

It is an amenable number.

172059404 is a deficient number, since it is larger than the sum of its proper divisors (156417724).

172059404 is a wasteful number, since it uses less digits than its factorization.

172059404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910456 (or 3910454 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 172059404 is about 13117.1416093599. The cubic root of 172059404 is about 556.1937931845.

The spelling of 172059404 in words is "one hundred seventy-two million, fifty-nine thousand, four hundred four".