7628825 has 12 divisors (see below), whose sum is σ = 9513900. Its totient is φ = 6068160.

The previous prime is 7628809. The next prime is 7628837. The reversal of 7628825 is 5288267.

It can be written as a sum of positive squares in 6 ways, for example, as 71824 + 7557001 = 268^2 + 2749^2 .

It is not a de Polignac number, because 7628825 - 2⁴ = 7628809 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4151 + ... + 5699.

It is an arithmetic number, because the mean of its divisors is an integer number (792825).

Almost surely, 2^7628825 is an apocalyptic number.

It is an amenable number.

7628825 is a deficient number, since it is larger than the sum of its proper divisors (1885075).

7628825 is a wasteful number, since it uses less digits than its factorization.

7628825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756 (or 1751 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 7628825 is about 2762.0327659172. The cubic root of 7628825 is about 196.8577653511.

The spelling of 7628825 in words is "seven million, six hundred twenty-eight thousand, eight hundred twenty-five".