6428753 has 4 divisors (see below), whose sum is σ = 6708288. Its totient is φ = 6149220.

The previous prime is 6428743. The next prime is 6428761. The reversal of 6428753 is 3578246.

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 a cyclic number.

It is not a de Polignac number, because 6428753 - 2¹⁸ = 6166609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6428743) 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, 139733 + ... + 139778.

It is an arithmetic number, because the mean of its divisors is an integer number (1677072).

Almost surely, 2^6428753 is an apocalyptic number.

It is an amenable number.

6428753 is a deficient number, since it is larger than the sum of its proper divisors (279535).

6428753 is a wasteful number, since it uses less digits than its factorization.

6428753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279534.

The product of its digits is 40320, while the sum is 35.

The square root of 6428753 is about 2535.4985703013. The cubic root of 6428753 is about 185.9411788411.

The spelling of 6428753 in words is "six million, four hundred twenty-eight thousand, seven hundred fifty-three".