172464406 has 8 divisors (see below), whose sum is σ = 272312280. Its totient is φ = 81693648.

The previous prime is 172464403. The next prime is 172464427. The reversal of 172464406 is 604464271.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172464403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2269231 + ... + 2269306.

It is an arithmetic number, because the mean of its divisors is an integer number (34039035).

Almost surely, 2^172464406 is an apocalyptic number.

172464406 is a deficient number, since it is larger than the sum of its proper divisors (99847874).

172464406 is a wasteful number, since it uses less digits than its factorization.

172464406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538558.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 172464406 is about 13132.5704262342. The cubic root of 172464406 is about 556.6298501155.

The spelling of 172464406 in words is "one hundred seventy-two million, four hundred sixty-four thousand, four hundred six".