172061480 has 64 divisors (see below), whose sum is σ = 396938880. Its totient is φ = 67104000.

The previous prime is 172061441. The next prime is 172061489. The reversal of 172061480 is 84160271.

It is not an unprimeable number, because it can be changed into a prime (172061489) 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 15 ways as a sum of consecutive naturals, for example, 368207 + ... + 368673.

It is an arithmetic number, because the mean of its divisors is an integer number (6202170).

Almost surely, 2^172061480 is an apocalyptic number.

172061480 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 172061480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198469440).

172061480 is an abundant number, since it is smaller than the sum of its proper divisors (224877400).

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

172061480 is a wasteful number, since it uses less digits than its factorization.

172061480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 172061480 is about 13117.2207422152. The cubic root of 172061480 is about 556.1960301128.

The spelling of 172061480 in words is "one hundred seventy-two million, sixty-one thousand, four hundred eighty".