6428733 has 4 divisors (see below), whose sum is σ = 8571648. Its totient is φ = 4285820.

The previous prime is 6428731. The next prime is 6428743. The reversal of 6428733 is 3378246.

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 a cyclic number.

It is not a de Polignac number, because 6428733 - 2¹ = 6428731 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 4⁶ + 2⁷ + 8³ + 7² + 3¹³ + 3¹⁴ .

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 6428694 and 6428703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428731) 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, 1071453 + ... + 1071458.

It is an arithmetic number, because the mean of its divisors is an integer number (2142912).

Almost surely, 2^6428733 is an apocalyptic number.

It is an amenable number.

6428733 is a deficient number, since it is larger than the sum of its proper divisors (2142915).

6428733 is a wasteful number, since it uses less digits than its factorization.

6428733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142914.

The product of its digits is 24192, while the sum is 33.

The square root of 6428733 is about 2535.4946263008. The cubic root of 6428733 is about 185.9409860185.

The spelling of 6428733 in words is "six million, four hundred twenty-eight thousand, seven hundred thirty-three".