6556733 has 4 divisors (see below), whose sum is σ = 6733980. Its totient is φ = 6379488.

The previous prime is 6556727. The next prime is 6556741. The reversal of 6556733 is 3376556.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5026564 + 1530169 = 2242^2 + 1237^2 .

It is a cyclic number.

It is not a de Polignac number, because 6556733 - 2¹⁰ = 6555709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6556693 and 6556702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556723) 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, 88568 + ... + 88641.

It is an arithmetic number, because the mean of its divisors is an integer number (1683495).

Almost surely, 2^6556733 is an apocalyptic number.

It is an amenable number.

6556733 is a deficient number, since it is larger than the sum of its proper divisors (177247).

6556733 is a wasteful number, since it uses less digits than its factorization.

6556733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177246.

The product of its digits is 56700, while the sum is 35.

The square root of 6556733 is about 2560.6118409474. The cubic root of 6556733 is about 187.1669512877.

The spelling of 6556733 in words is "six million, five hundred fifty-six thousand, seven hundred thirty-three".