6940533 has 4 divisors (see below), whose sum is σ = 9254048. Its totient is φ = 4627020.

The previous prime is 6940513. The next prime is 6940561. The reversal of 6940533 is 3350496.

It is a happy number.

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 not a de Polignac number, because 6940533 - 2⁸ = 6940277 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6940533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940513) 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, 1156753 + ... + 1156758.

It is an arithmetic number, because the mean of its divisors is an integer number (2313512).

Almost surely, 2^6940533 is an apocalyptic number.

It is an amenable number.

6940533 is a deficient number, since it is larger than the sum of its proper divisors (2313515).

6940533 is a wasteful number, since it uses less digits than its factorization.

6940533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313514.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 6940533 is about 2634.4891345382. The cubic root of 6940533 is about 190.7498804756.

The spelling of 6940533 in words is "six million, nine hundred forty thousand, five hundred thirty-three".