6733989 has 24 divisors (see below), whose sum is σ = 10609920. Its totient is φ = 4220352.

The previous prime is 6733957. The next prime is 6733997. The reversal of 6733989 is 9893376.

It is a happy number.

It is not a de Polignac number, because 6733989 - 2⁵ = 6733957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6733919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7372 + ... + 8234.

It is an arithmetic number, because the mean of its divisors is an integer number (442080).

Almost surely, 2^6733989 is an apocalyptic number.

It is an amenable number.

6733989 is a deficient number, since it is larger than the sum of its proper divisors (3875931).

6733989 is a wasteful number, since it uses less digits than its factorization.

6733989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 883 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 6733989 is about 2594.9930635745. The cubic root of 6733989 is about 188.8386125451.

The spelling of 6733989 in words is "six million, seven hundred thirty-three thousand, nine hundred eighty-nine".