6749712 has 60 divisors (see below), whose sum is σ = 19892080. Its totient is φ = 2130624.

The previous prime is 6749689. The next prime is 6749719. The reversal of 6749712 is 2179476.

It is a happy number.

6749712 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6749712² = 91117224165888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6749719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1503 + ... + 3969.

Almost surely, 2^6749712 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 6749712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9946040).

6749712 is an abundant number, since it is smaller than the sum of its proper divisors (13142368).

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

6749712 is a wasteful number, since it uses less digits than its factorization.

6749712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500 (or 2491 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 6749712 is about 2598.0207851363. The cubic root of 6749712 is about 188.9854696144.

The spelling of 6749712 in words is "six million, seven hundred forty-nine thousand, seven hundred twelve".