6740736 has 72 divisors (see below), whose sum is σ = 18346944. Its totient is φ = 2196480.

The previous prime is 6740719. The next prime is 6740737. The reversal of 6740736 is 6370476.

It is a junction number, because it is equal to n+sod(n) for n = 6740697 and 6740706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51391 + ... + 51521.

Almost surely, 2^6740736 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 6740736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9173472).

6740736 is an abundant number, since it is smaller than the sum of its proper divisors (11606208).

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

6740736 is a wasteful number, since it uses less digits than its factorization.

6740736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 6740736 is about 2596.2927415837. The cubic root of 6740736 is about 188.9016593186.

The spelling of 6740736 in words is "six million, seven hundred forty thousand, seven hundred thirty-six".