6625745 has 8 divisors (see below), whose sum is σ = 9086784. Its totient is φ = 4543344.

The previous prime is 6625709. The next prime is 6625747. The reversal of 6625745 is 5475266.

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

It is a cyclic number.

It is not a de Polignac number, because 6625745 - 2¹⁰ = 6624721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 189307 = 6625745 / (6 + 6 + 2 + 5 + 7 + 4 + 5).

It is not an unprimeable number, because it can be changed into a prime (6625747) by changing a digit.

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, 94619 + ... + 94688.

It is an arithmetic number, because the mean of its divisors is an integer number (1135848).

Almost surely, 2^6625745 is an apocalyptic number.

It is an amenable number.

6625745 is a deficient number, since it is larger than the sum of its proper divisors (2461039).

6625745 is a wasteful number, since it uses less digits than its factorization.

6625745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189319.

The product of its digits is 50400, while the sum is 35.

The square root of 6625745 is about 2574.0522527719. The cubic root of 6625745 is about 187.8213275299.

The spelling of 6625745 in words is "six million, six hundred twenty-five thousand, seven hundred forty-five".