272172028 has 12 divisors (see below), whose sum is σ = 477560440. Its totient is φ = 135726192.

The previous prime is 272172011. The next prime is 272172029. The reversal of 272172028 is 820271272.

It is a super-2 number, since 2×272172028² = 148155225651265568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272172029) by changing a digit.

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, 88251 + ... + 91282.

Almost surely, 2^272172028 is an apocalyptic number.

It is an amenable number.

272172028 is a deficient number, since it is larger than the sum of its proper divisors (205388412).

272172028 is a wasteful number, since it uses less digits than its factorization.

272172028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179916 (or 179914 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 272172028 is about 16497.6370429222. The cubic root of 272172028 is about 648.0589255717.

The spelling of 272172028 in words is "two hundred seventy-two million, one hundred seventy-two thousand, twenty-eight".