6774720 has 56 divisors (see below), whose sum is σ = 21512784. Its totient is φ = 1806336.

The previous prime is 6774683. The next prime is 6774731. The reversal of 6774720 is 274776.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2569 + ... + 4488.

Almost surely, 2^6774720 is an apocalyptic number.

6774720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6774720 is an abundant number, since it is smaller than the sum of its proper divisors (14738064).

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

6774720 is a wasteful number, since it uses less digits than its factorization.

6774720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077 (or 7067 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 6774720 is about 2602.8292298958. The cubic root of 6774720 is about 189.2185819675.

The spelling of 6774720 in words is "six million, seven hundred seventy-four thousand, seven hundred twenty".