172680352 has 24 divisors (see below), whose sum is σ = 366116436. Its totient is φ = 79698432.

The previous prime is 172680349. The next prime is 172680353. The reversal of 172680352 is 253086271.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 167857936 + 4822416 = 12956^2 + 2196^2 .

It is not an unprimeable number, because it can be changed into a prime (172680353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207133 + ... + 207964.

Almost surely, 2^172680352 is an apocalyptic number.

It is an amenable number.

172680352 is an abundant number, since it is smaller than the sum of its proper divisors (193436084).

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

172680352 is a wasteful number, since it uses less digits than its factorization.

172680352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415120 (or 415112 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 172680352 is about 13140.7896261983. The cubic root of 172680352 is about 556.8620755317.

The spelling of 172680352 in words is "one hundred seventy-two million, six hundred eighty thousand, three hundred fifty-two".