272128948 has 36 divisors (see below), whose sum is σ = 596595972. Its totient is φ = 107654400.

The previous prime is 272128933. The next prime is 272128949. The reversal of 272128948 is 849821272.

It can be written as a sum of positive squares in 2 ways, for example, as 44782864 + 227346084 = 6692^2 + 15078^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272128949) 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 11 ways as a sum of consecutive naturals, for example, 50853 + ... + 55948.

Almost surely, 2^272128948 is an apocalyptic number.

272128948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

272128948 is an abundant number, since it is smaller than the sum of its proper divisors (324467024).

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

272128948 is a wasteful number, since it uses less digits than its factorization.

272128948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106832 (or 106823 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 272128948 is about 16496.3313497274. The cubic root of 272128948 is about 648.0247316934.

The spelling of 272128948 in words is "two hundred seventy-two million, one hundred twenty-eight thousand, nine hundred forty-eight".