6743688 has 64 divisors (see below), whose sum is σ = 19474560. Its totient is φ = 1906176.

The previous prime is 6743687. The next prime is 6743699. The reversal of 6743688 is 8863476.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6743683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22870 + ... + 23162.

It is an arithmetic number, because the mean of its divisors is an integer number (304290).

Almost surely, 2^6743688 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 6743688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9737280).

6743688 is an abundant number, since it is smaller than the sum of its proper divisors (12730872).

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

6743688 is a wasteful number, since it uses less digits than its factorization.

6743688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 442 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 6743688 is about 2596.8611822737. The cubic root of 6743688 is about 188.9292308041.

The spelling of 6743688 in words is "six million, seven hundred forty-three thousand, six hundred eighty-eight".