172000480 has 48 divisors (see below), whose sum is σ = 413036064. Its totient is φ = 67668480.

The previous prime is 172000471. The next prime is 172000487. The reversal of 172000480 is 84000271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172000487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949 + ... + 18571.

It is an arithmetic number, because the mean of its divisors is an integer number (8604918).

Almost surely, 2^172000480 is an apocalyptic number.

172000480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172000480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206518032).

172000480 is an abundant number, since it is smaller than the sum of its proper divisors (241035584).

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

172000480 is a wasteful number, since it uses less digits than its factorization.

172000480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17699 (or 17691 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 172000480 is about 13114.8953484197. The cubic root of 172000480 is about 556.1302939817.

The spelling of 172000480 in words is "one hundred seventy-two million, four hundred eighty", and thus it is an aban number.