6743988 has 36 divisors (see below), whose sum is σ = 17600128. Its totient is φ = 2175120.

The previous prime is 6743987. The next prime is 6744007. The reversal of 6743988 is 8893476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6743987) 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, 1906 + ... + 4137.

Almost surely, 2^6743988 is an apocalyptic number.

It is an amenable number.

6743988 is an abundant number, since it is smaller than the sum of its proper divisors (10856140).

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

6743988 is a wasteful number, since it uses less digits than its factorization.

6743988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6084 (or 6079 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 6743988 is about 2596.9189436715. The cubic root of 6743988 is about 188.9320323339.

The spelling of 6743988 in words is "six million, seven hundred forty-three thousand, nine hundred eighty-eight".