6697903 has 4 divisors (see below), whose sum is σ = 6715008. Its totient is φ = 6680800.

The previous prime is 6697897. The next prime is 6697921. The reversal of 6697903 is 3097966.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3097966 = 2 ⋅1548983.

It is a cyclic number.

It is not a de Polignac number, because 6697903 - 2²¹ = 4600751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6697973) 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, 7951 + ... + 8752.

It is an arithmetic number, because the mean of its divisors is an integer number (1678752).

Almost surely, 2^6697903 is an apocalyptic number.

6697903 is a deficient number, since it is larger than the sum of its proper divisors (17105).

6697903 is a wasteful number, since it uses less digits than its factorization.

6697903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17104.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 6697903 is about 2588.0307185194. The cubic root of 6697903 is about 188.5006930298.

It can be divided in two parts, 66 and 97903, that added together give a square (97969 = 313²).

The spelling of 6697903 in words is "six million, six hundred ninety-seven thousand, nine hundred three".