6989733 has 10 divisors (see below), whose sum is σ = 10441574. Its totient is φ = 4659768.

The previous prime is 6989729. The next prime is 6989743. The reversal of 6989733 is 3379896.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3814209 + 3175524 = 1953^2 + 1782^2 .

It is not a de Polignac number, because 6989733 - 2² = 6989729 is a prime.

It is a super-2 number, since 2×6989733² = 97712734822578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 43066 + ... + 43227.

Almost surely, 2^6989733 is an apocalyptic number.

It is an amenable number.

6989733 is a deficient number, since it is larger than the sum of its proper divisors (3451841).

6989733 is an equidigital number, since it uses as much as digits as its factorization.

6989733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86305 (or 86296 counting only the distinct ones).

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

The square root of 6989733 is about 2643.8103184608. The cubic root of 6989733 is about 191.1995483991.

The spelling of 6989733 in words is "six million, nine hundred eighty-nine thousand, seven hundred thirty-three".