7872241 has 16 divisors (see below), whose sum is σ = 9072000. Its totient is φ = 6766848.

The previous prime is 7872239. The next prime is 7872269. The reversal of 7872241 is 1422787.

7872241 = T₁₀₉₄ + T₁₀₉₅ + ... + T₁₁₀₆.

It is a cyclic number.

It is not a de Polignac number, because 7872241 - 2¹ = 7872239 is a prime.

It is a Duffinian number.

7872241 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7872341) 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 15 ways as a sum of consecutive naturals, for example, 39460 + ... + 39658.

It is an arithmetic number, because the mean of its divisors is an integer number (567000).

Almost surely, 2^7872241 is an apocalyptic number.

It is an amenable number.

7872241 is a deficient number, since it is larger than the sum of its proper divisors (1199759).

7872241 is a wasteful number, since it uses less digits than its factorization.

7872241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

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

The square root of 7872241 is about 2805.7514145056. The cubic root of 7872241 is about 198.9296233553.

The spelling of 7872241 in words is "seven million, eight hundred seventy-two thousand, two hundred forty-one".