6444272 has 10 divisors (see below), whose sum is σ = 12485808. Its totient is φ = 3222128.

The previous prime is 6444271. The next prime is 6444299. The reversal of 6444272 is 2724446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201368 + ... + 201399.

Almost surely, 2^6444272 is an apocalyptic number.

It is an amenable number.

6444272 is a deficient number, since it is larger than the sum of its proper divisors (6041536).

6444272 is a wasteful number, since it uses less digits than its factorization.

6444272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402775 (or 402769 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 6444272 is about 2538.5570704635. The cubic root of 6444272 is about 186.0906791824.

The spelling of 6444272 in words is "six million, four hundred forty-four thousand, two hundred seventy-two".