6437872 has 40 divisors (see below), whose sum is σ = 14570496. Its totient is φ = 2698176.

The previous prime is 6437839. The next prime is 6437881. The reversal of 6437872 is 2787346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4653 + ... + 5875.

Almost surely, 2^6437872 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 6437872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7285248).

6437872 is an abundant number, since it is smaller than the sum of its proper divisors (8132624).

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

6437872 is a wasteful number, since it uses less digits than its factorization.

6437872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1279 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 6437872 is about 2537.2961987123. The cubic root of 6437872 is about 186.0290546973.

It can be divided in two parts, 643 and 7872, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 6437872 in words is "six million, four hundred thirty-seven thousand, eight hundred seventy-two".