172474465 has 8 divisors (see below), whose sum is σ = 208340928. Its totient is φ = 137065200.

The previous prime is 172474453. The next prime is 172474517. The reversal of 172474465 is 564474271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172474465 - 2⁵ = 172474433 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 113467 + ... + 114976.

It is an arithmetic number, because the mean of its divisors is an integer number (26042616).

Almost surely, 2^172474465 is an apocalyptic number.

It is an amenable number.

172474465 is a deficient number, since it is larger than the sum of its proper divisors (35866463).

172474465 is a wasteful number, since it uses less digits than its factorization.

172474465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228599.

The product of its digits is 188160, while the sum is 40.

The square root of 172474465 is about 13132.9533997498. The cubic root of 172474465 is about 556.6406717316.

It can be divided in two parts, 17247 and 4465, that added together give a palindrome (21712).

The spelling of 172474465 in words is "one hundred seventy-two million, four hundred seventy-four thousand, four hundred sixty-five".