6491272 has 16 divisors (see below), whose sum is σ = 12326400. Its totient is φ = 3204240.

The previous prime is 6491257. The next prime is 6491299. The reversal of 6491272 is 2721946.

It is a super-2 number, since 2×6491272² = 84273224355968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4504 + ... + 5767.

It is an arithmetic number, because the mean of its divisors is an integer number (770400).

Almost surely, 2^6491272 is an apocalyptic number.

It is an amenable number.

6491272 is a deficient number, since it is larger than the sum of its proper divisors (5835128).

6491272 is a wasteful number, since it uses less digits than its factorization.

6491272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356 (or 10352 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 6491272 is about 2547.7974801777. The cubic root of 6491272 is about 186.5419887394.

It can be divided in two parts, 649 and 1272, that multiplied together give a palindrome (825528).

The spelling of 6491272 in words is "six million, four hundred ninety-one thousand, two hundred seventy-two".