6442733 has 16 divisors (see below), whose sum is σ = 7356096. Its totient is φ = 5591040.

The previous prime is 6442721. The next prime is 6442763. The reversal of 6442733 is 3372446.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6442733 - 2¹⁰ = 6441709 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 4⁶ + 4⁶ + 2¹³ + 7⁴ + 3¹³ + 3¹⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 6442696 and 6442705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442703) 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 15 ways as a sum of consecutive naturals, for example, 24941 + ... + 25197.

It is an arithmetic number, because the mean of its divisors is an integer number (459756).

Almost surely, 2^6442733 is an apocalyptic number.

It is an amenable number.

6442733 is a deficient number, since it is larger than the sum of its proper divisors (913363).

6442733 is a wasteful number, since it uses less digits than its factorization.

6442733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its digits is 12096, while the sum is 29.

The square root of 6442733 is about 2538.2539274076. The cubic root of 6442733 is about 186.0758641468.

The spelling of 6442733 in words is "six million, four hundred forty-two thousand, seven hundred thirty-three".