6743520 has 192 divisors, whose sum is σ = 27095040. Its totient is φ = 1534464.

The previous prime is 6743491. The next prime is 6743533. The reversal of 6743520 is 253476.

It is a happy number.

6743520 is digitally balanced in base 5 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

6743520 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30129 + ... + 30351.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

Almost surely, 2^6743520 is an apocalyptic number.

6743520 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 6743520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13547520).

6743520 is an abundant number, since it is smaller than the sum of its proper divisors (20351520).

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

6743520 is a wasteful number, since it uses less digits than its factorization.

6743520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 6743520 is about 2596.8288353297. The cubic root of 6743520 is about 188.9276619111.

Adding to 6743520 its reverse (253476), we get a palindrome (6996996).

The spelling of 6743520 in words is "six million, seven hundred forty-three thousand, five hundred twenty".