6739040 has 96 divisors (see below), whose sum is σ = 19885824. Its totient is φ = 2096640.

The previous prime is 6739037. The next prime is 6739043. The reversal of 6739040 is 409376.

It is an interprime number because it is at equal distance from previous prime (6739037) and next prime (6739043).

It is a junction number, because it is equal to n+sod(n) for n = 6738994 and 6739012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6739043) 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, 12047 + ... + 12593.

It is an arithmetic number, because the mean of its divisors is an integer number (207144).

Almost surely, 2^6739040 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 6739040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9942912).

6739040 is an abundant number, since it is smaller than the sum of its proper divisors (13146784).

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

6739040 is a wasteful number, since it uses less digits than its factorization.

6739040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 6739040 is about 2595.9661014736. The cubic root of 6739040 is about 188.8858151493.

The spelling of 6739040 in words is "six million, seven hundred thirty-nine thousand, forty".