172375532 has 36 divisors (see below), whose sum is σ = 352099944. Its totient is φ = 73624320.

The previous prime is 172375513. The next prime is 172375537. The reversal of 172375532 is 235573271.

It is a junction number, because it is equal to n+sod(n) for n = 172375492 and 172375501.

It is not an unprimeable number, because it can be changed into a prime (172375537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63548 + ... + 66204.

It is an arithmetic number, because the mean of its divisors is an integer number (9780554).

Almost surely, 2^172375532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172375532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176049972).

172375532 is an abundant number, since it is smaller than the sum of its proper divisors (179724412).

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

172375532 is a wasteful number, since it uses less digits than its factorization.

172375532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006 (or 2997 counting only the distinct ones).

The product of its digits is 44100, while the sum is 35.

The square root of 172375532 is about 13129.1862657211. The cubic root of 172375532 is about 556.5342199070.

The spelling of 172375532 in words is "one hundred seventy-two million, three hundred seventy-five thousand, five hundred thirty-two".