519470172 has 180 divisors, whose sum is σ = 1506609720. Its totient is φ = 155945088.

The previous prime is 519470167. The next prime is 519470183. The reversal of 519470172 is 271074915.

It is a happy number.

519470172 is a `hidden beast` number, since 5 + 19 + 470 + 172 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2901979 + ... + 2902157.

It is an arithmetic number, because the mean of its divisors is an integer number (8370054).

Almost surely, 2^519470172 is an apocalyptic number.

519470172 is a gapful number since it is divisible by the number (52) 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 519470172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753304860).

519470172 is an abundant number, since it is smaller than the sum of its proper divisors (987139548).

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

519470172 is a wasteful number, since it uses less digits than its factorization.

519470172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 519470172 is about 22791.8882938646. Note that the first 3 decimals coincide. The cubic root of 519470172 is about 803.8719444081.

The spelling of 519470172 in words is "five hundred nineteen million, four hundred seventy thousand, one hundred seventy-two".