6737993 has 4 divisors (see below), whose sum is σ = 6752208. Its totient is φ = 6723780.

The previous prime is 6737987. The next prime is 6738007. The reversal of 6737993 is 3997376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6737993 - 2¹² = 6733897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6737903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6371 + ... + 7352.

It is an arithmetic number, because the mean of its divisors is an integer number (1688052).

Almost surely, 2^6737993 is an apocalyptic number.

It is an amenable number.

6737993 is a deficient number, since it is larger than the sum of its proper divisors (14215).

6737993 is a wasteful number, since it uses less digits than its factorization.

6737993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14214.

The product of its digits is 214326, while the sum is 44.

The square root of 6737993 is about 2595.7644346127. The cubic root of 6737993 is about 188.8760326634.

The spelling of 6737993 in words is "six million, seven hundred thirty-seven thousand, nine hundred ninety-three".