8625745 has 8 divisors (see below), whose sum is σ = 10368360. Its totient is φ = 6888960.

The previous prime is 8625733. The next prime is 8625787. The reversal of 8625745 is 5475268.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 746496 + 7879249 = 864^2 + 2807^2 .

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

It is not a de Polignac number, because 8625745 - 2⁹ = 8625233 is a prime.

8625745 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3105 + ... + 5185.

It is an arithmetic number, because the mean of its divisors is an integer number (1296045).

Almost surely, 2^8625745 is an apocalyptic number.

It is an amenable number.

8625745 is a deficient number, since it is larger than the sum of its proper divisors (1742615).

8625745 is a wasteful number, since it uses less digits than its factorization.

8625745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915.

The product of its digits is 67200, while the sum is 37.

The square root of 8625745 is about 2936.9618656019. The cubic root of 8625745 is about 205.0842009849.

The spelling of 8625745 in words is "eight million, six hundred twenty-five thousand, seven hundred forty-five".