7628765 has 8 divisors (see below), whose sum is σ = 9169848. Its totient is φ = 6092800.

The previous prime is 7628741. The next prime is 7628773. The reversal of 7628765 is 5678267.

It is a happy number.

7628765 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2775556 + 4853209 = 1666^2 + 2203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7628765 - 2¹⁸ = 7366621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3965 + ... + 5565.

It is an arithmetic number, because the mean of its divisors is an integer number (1146231).

Almost surely, 2^7628765 is an apocalyptic number.

It is an amenable number.

7628765 is a deficient number, since it is larger than the sum of its proper divisors (1541083).

7628765 is a wasteful number, since it uses less digits than its factorization.

7628765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559.

The product of its digits is 141120, while the sum is 41.

The square root of 7628765 is about 2762.0219043302. The cubic root of 7628765 is about 196.8572492604.

The spelling of 7628765 in words is "seven million, six hundred twenty-eight thousand, seven hundred sixty-five".