6552720 has 120 divisors (see below), whose sum is σ = 23212800. Its totient is φ = 1651968.

The previous prime is 6552719. The next prime is 6552731. The reversal of 6552720 is 272556.

6552720 = T₈₂₁ + T₈₂₂ + ... + T₈₃₉.

6552720 is a `hidden beast` number, since 655 + 2 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13441 + ... + 13919.

It is an arithmetic number, because the mean of its divisors is an integer number (193440).

Almost surely, 2^6552720 is an apocalyptic number.

6552720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6552720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11606400).

6552720 is an abundant number, since it is smaller than the sum of its proper divisors (16660080).

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

6552720 is a wasteful number, since it uses less digits than its factorization.

6552720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 6552720 is about 2559.8281192299. The cubic root of 6552720 is about 187.1287587782.

It can be divided in two parts, 655 and 2720, that added together give a cube (3375 = 15³).

The spelling of 6552720 in words is "six million, five hundred fifty-two thousand, seven hundred twenty".