6478272 has 112 divisors (see below), whose sum is σ = 19994880. Its totient is φ = 2052864.

The previous prime is 6478267. The next prime is 6478273. The reversal of 6478272 is 2728746.

6478272 is a `hidden beast` number, since 647 + 8 + 2 + 7 + 2 = 666.

6478272 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39663 + ... + 39825.

Almost surely, 2^6478272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6478272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9997440).

6478272 is an abundant number, since it is smaller than the sum of its proper divisors (13516608).

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

6478272 is a wasteful number, since it uses less digits than its factorization.

6478272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 191 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 6478272 is about 2545.2449783862. The cubic root of 6478272 is about 186.4173769773.

The spelling of 6478272 in words is "six million, four hundred seventy-eight thousand, two hundred seventy-two".