6745280 has 56 divisors (see below), whose sum is σ = 16294608. Its totient is φ = 2659328.

The previous prime is 6745267. The next prime is 6745289. The reversal of 6745280 is 825476.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (6745289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34142 + ... + 34338.

Almost surely, 2^6745280 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 6745280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8147304).

6745280 is an abundant number, since it is smaller than the sum of its proper divisors (9549328).

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

6745280 is a wasteful number, since it uses less digits than its factorization.

6745280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 6745280 is about 2597.1676880787. The cubic root of 6745280 is about 188.9440966396.

The spelling of 6745280 in words is "six million, seven hundred forty-five thousand, two hundred eighty".