6736726240 has 24 divisors (see below), whose sum is σ = 15915516120. Its totient is φ = 2694690432.

The previous prime is 6736726201. The next prime is 6736726253. The reversal of 6736726240 is 426276376.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21052110 + ... + 21052429.

It is an arithmetic number, because the mean of its divisors is an integer number (663146505).

Almost surely, 2^6736726240 is an apocalyptic number.

It is an amenable number.

6736726240 is an abundant number, since it is smaller than the sum of its proper divisors (9178789880).

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

6736726240 is a wasteful number, since it uses less digits than its factorization.

6736726240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42104554 (or 42104546 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 43.

The square root of 6736726240 is about 82077.5623419702. The cubic root of 6736726240 is about 1888.6419552836.

The spelling of 6736726240 in words is "six billion, seven hundred thirty-six million, seven hundred twenty-six thousand, two hundred forty".