172439467704 has 256 divisors, whose sum is σ = 551779200000. Its totient is φ = 48878443008.

The previous prime is 172439467699. The next prime is 172439467723. The reversal of 172439467704 is 407764934271.

It is a happy number.

172439467704 is a `hidden beast` number, since 1 + 72 + 43 + 9 + 467 + 70 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120839839 + ... + 120841265.

It is an arithmetic number, because the mean of its divisors is an integer number (2155387500).

Almost surely, 2^172439467704 is an apocalyptic number.

172439467704 is a gapful number since it is divisible by the number (14) 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 172439467704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275889600000).

172439467704 is an abundant number, since it is smaller than the sum of its proper divisors (379339732296).

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

172439467704 is a wasteful number, since it uses less digits than its factorization.

172439467704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027 (or 2017 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The spelling of 172439467704 in words is "one hundred seventy-two billion, four hundred thirty-nine million, four hundred sixty-seven thousand, seven hundred four".