7728795 has 24 divisors (see below), whose sum is σ = 14186016. Its totient is φ = 3879168.

The previous prime is 7728769. The next prime is 7728797. The reversal of 7728795 is 5978277.

It is not a de Polignac number, because 7728795 - 2¹⁹ = 7204507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a d-powerful number, because it can be written as 7 + 7⁵ + 2¹³ + 8⁷ + 7⁷ + 9⁷ + 5³ .

It is a self number, because there is not a number n which added to its sum of digits gives 7728795.

It is not an unprimeable number, because it can be changed into a prime (7728797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4287 + ... + 5816.

It is an arithmetic number, because the mean of its divisors is an integer number (591084).

Almost surely, 2^7728795 is an apocalyptic number.

7728795 is a deficient number, since it is larger than the sum of its proper divisors (6457221).

7728795 is a wasteful number, since it uses less digits than its factorization.

7728795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10131 (or 10128 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 7728795 is about 2780.0710422577. The cubic root of 7728795 is about 197.7139272512.

The spelling of 7728795 in words is "seven million, seven hundred twenty-eight thousand, seven hundred ninety-five".