6749136 has 80 divisors (see below), whose sum is σ = 20534400. Its totient is φ = 2115072.

The previous prime is 6749131. The next prime is 6749159. The reversal of 6749136 is 6319476.

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

It is a d-powerful number, because it can be written as 6⁷ + 7² + 4 + 9⁴ + 1 + 3¹⁴ + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 6749136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6749131) 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, 6885 + ... + 7803.

It is an arithmetic number, because the mean of its divisors is an integer number (256680).

Almost surely, 2^6749136 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 6749136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10267200).

6749136 is an abundant number, since it is smaller than the sum of its proper divisors (13785264).

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

6749136 is a wasteful number, since it uses less digits than its factorization.

6749136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 941 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 6749136 is about 2597.9099291546. The cubic root of 6749136 is about 188.9800936454.

The spelling of 6749136 in words is "six million, seven hundred forty-nine thousand, one hundred thirty-six".