172275711432 has 128 divisors (see below), whose sum is σ = 476691609600. Its totient is φ = 51446304000.

The previous prime is 172275711431. The next prime is 172275711449. The reversal of 172275711432 is 234117572271.

172275711432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (172275711431) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 11400682 + ... + 11415782.

It is an arithmetic number, because the mean of its divisors is an integer number (3724153200).

Almost surely, 2^172275711432 is an apocalyptic number.

172275711432 is a gapful number since it is divisible by the number (12) 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 172275711432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238345804800).

172275711432 is an abundant number, since it is smaller than the sum of its proper divisors (304415898168).

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

172275711432 is a wasteful number, since it uses less digits than its factorization.

172275711432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15747 (or 15743 counting only the distinct ones).

The product of its digits is 164640, while the sum is 42.

The spelling of 172275711432 in words is "one hundred seventy-two billion, two hundred seventy-five million, seven hundred eleven thousand, four hundred thirty-two".