6601272 has 16 divisors (see below), whose sum is σ = 16503240. Its totient is φ = 2200416.

The previous prime is 6601261. The next prime is 6601277. The reversal of 6601272 is 2721066.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 275053 = 6601272 / (6 + 6 + 0 + 1 + 2 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137503 + ... + 137550.

Almost surely, 2^6601272 is an apocalyptic number.

It is an amenable number.

6601272 is an abundant number, since it is smaller than the sum of its proper divisors (9901968).

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

6601272 is a wasteful number, since it uses less digits than its factorization.

6601272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275062 (or 275058 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 6601272 is about 2569.2940664704. The cubic root of 6601272 is about 187.5897952117.

The spelling of 6601272 in words is "six million, six hundred one thousand, two hundred seventy-two".