172275560 has 16 divisors (see below), whose sum is σ = 387620100. Its totient is φ = 68910208.

The previous prime is 172275557. The next prime is 172275583. The reversal of 172275560 is 65572271.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 164198596 + 8076964 = 12814^2 + 2842^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 172275560.

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 3 ways as a sum of consecutive naturals, for example, 2153405 + ... + 2153484.

Almost surely, 2^172275560 is an apocalyptic number.

172275560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172275560 is an abundant number, since it is smaller than the sum of its proper divisors (215344540).

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

172275560 is a wasteful number, since it uses less digits than its factorization.

172275560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306900 (or 4306896 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 172275560 is about 13125.3784707337. The cubic root of 172275560 is about 556.4266087360.

The spelling of 172275560 in words is "one hundred seventy-two million, two hundred seventy-five thousand, five hundred sixty".