172857376 has 12 divisors (see below), whose sum is σ = 340313022. Its totient is φ = 86428672.

The previous prime is 172857331. The next prime is 172857379. The reversal of 172857376 is 673758271.

It can be written as a sum of positive squares in only one way, i.e., 151880976 + 20976400 = 12324^2 + 4580^2 .

It is not an unprimeable number, because it can be changed into a prime (172857379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700865 + ... + 2700928.

Almost surely, 2^172857376 is an apocalyptic number.

172857376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172857376 is a deficient number, since it is larger than the sum of its proper divisors (167455646).

172857376 is an equidigital number, since it uses as much as digits as its factorization.

172857376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401803 (or 5401795 counting only the distinct ones).

The product of its digits is 493920, while the sum is 46.

The square root of 172857376 is about 13147.5235690985. The cubic root of 172857376 is about 557.0523003879.

The spelling of 172857376 in words is "one hundred seventy-two million, eight hundred fifty-seven thousand, three hundred seventy-six".