6677280 has 72 divisors (see below), whose sum is σ = 22791132. Its totient is φ = 1780224.

The previous prime is 6677273. The next prime is 6677299. The reversal of 6677280 is 827766.

It can be written as a sum of positive squares in 2 ways, for example, as 6411024 + 266256 = 2532^2 + 516^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 879 + ... + 3758.

Almost surely, 2^6677280 is an apocalyptic number.

6677280 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 6677280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11395566).

6677280 is an abundant number, since it is smaller than the sum of its proper divisors (16113852).

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

6677280 is a wasteful number, since it uses less digits than its factorization.

6677280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658 (or 4647 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 6677280 is about 2584.0433432897. The cubic root of 6677280 is about 188.3070281131.

The spelling of 6677280 in words is "six million, six hundred seventy-seven thousand, two hundred eighty".