6747240 has 64 divisors (see below), whose sum is σ = 20606400. Its totient is φ = 1766912.

The previous prime is 6747239. The next prime is 6747241. The reversal of 6747240 is 427476.

6747240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6747239) and next prime (6747241).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6747198 and 6747207.

It is not an unprimeable number, because it can be changed into a prime (6747241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6604 + ... + 7556.

It is an arithmetic number, because the mean of its divisors is an integer number (321975).

Almost surely, 2^6747240 is an apocalyptic number.

6747240 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 6747240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10303200).

6747240 is an abundant number, since it is smaller than the sum of its proper divisors (13859160).

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

6747240 is a wasteful number, since it uses less digits than its factorization.

6747240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 6747240 is about 2597.5449947980. The cubic root of 6747240 is about 188.9623955868.

The spelling of 6747240 in words is "six million, seven hundred forty-seven thousand, two hundred forty".