6625947 has 8 divisors (see below), whose sum is σ = 8852544. Its totient is φ = 4408328.

The previous prime is 6625943. The next prime is 6625979. The reversal of 6625947 is 7495266.

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 6625947 - 2² = 6625943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6625943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273 + ... + 3650.

It is an arithmetic number, because the mean of its divisors is an integer number (1106568).

Almost surely, 2^6625947 is an apocalyptic number.

6625947 is a deficient number, since it is larger than the sum of its proper divisors (2226597).

6625947 is a wasteful number, since it uses less digits than its factorization.

6625947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489.

The product of its digits is 90720, while the sum is 39.

The square root of 6625947 is about 2574.0914902155. The cubic root of 6625947 is about 187.8232362221.

The spelling of 6625947 in words is "six million, six hundred twenty-five thousand, nine hundred forty-seven".