172043264 has 44 divisors (see below), whose sum is σ = 364185864. Its totient is φ = 80953344.

The previous prime is 172043251. The next prime is 172043293. The reversal of 172043264 is 462340271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12467 + ... + 22349.

Almost surely, 2^172043264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172043264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182092932).

172043264 is an abundant number, since it is smaller than the sum of its proper divisors (192142600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172043264 is an equidigital number, since it uses as much as digits as its factorization.

172043264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9920 (or 9902 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 172043264 is about 13116.5263694318. The cubic root of 172043264 is about 556.1764014227.

The spelling of 172043264 in words is "one hundred seventy-two million, forty-three thousand, two hundred sixty-four".