172004073488 has 40 divisors (see below), whose sum is σ = 360752748888. Its totient is φ = 78975148032.

The previous prime is 172004073457. The next prime is 172004073511. The reversal of 172004073488 is 884370400271.

It can be written as a sum of positive squares in 4 ways, for example, as 16541046544 + 155463026944 = 128612^2 + 394288^2 .

It is a super-2 number, since 2×172004073488² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102195 + ... + 2182482.

Almost surely, 2^172004073488 is an apocalyptic number.

It is an amenable number.

172004073488 is an abundant number, since it is smaller than the sum of its proper divisors (188748675400).

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

172004073488 is a wasteful number, since it uses less digits than its factorization.

172004073488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284891 (or 4284885 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 172004073488 in words is "one hundred seventy-two billion, four million, seventy-three thousand, four hundred eighty-eight".