8187272 has 8 divisors (see below), whose sum is σ = 15351150. Its totient is φ = 4093632.

The previous prime is 8187269. The next prime is 8187293. The reversal of 8187272 is 2727818.

It can be written as a sum of positive squares in only one way, i.e., 5317636 + 2869636 = 2306^2 + 1694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

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 as a sum of consecutive naturals, namely, 511697 + ... + 511712.

Almost surely, 2^8187272 is an apocalyptic number.

It is an amenable number.

8187272 is a deficient number, since it is larger than the sum of its proper divisors (7163878).

8187272 is a wasteful number, since it uses less digits than its factorization.

8187272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023415 (or 1023411 counting only the distinct ones).

The product of its digits is 12544, while the sum is 35.

The square root of 8187272 is about 2861.3409443825. The cubic root of 8187272 is about 201.5485785750.

It can be divided in two parts, 8 and 187272, that multiplied together give a square (1498176 = 1224²).

The spelling of 8187272 in words is "eight million, one hundred eighty-seven thousand, two hundred seventy-two".