6630473 has 4 divisors (see below), whose sum is σ = 6859140. Its totient is φ = 6401808.

The previous prime is 6630467. The next prime is 6630499. The reversal of 6630473 is 3740366.

6630473 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4108729 + 2521744 = 2027^2 + 1588^2 .

It is not a de Polignac number, because 6630473 - 2⁴ = 6630457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 228637 = 6630473 / (6 + 6 + 3 + 0 + 4 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6630433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114290 + ... + 114347.

It is an arithmetic number, because the mean of its divisors is an integer number (1714785).

Almost surely, 2^6630473 is an apocalyptic number.

It is an amenable number.

6630473 is a deficient number, since it is larger than the sum of its proper divisors (228667).

6630473 is a wasteful number, since it uses less digits than its factorization.

6630473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228666.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 6630473 is about 2574.9704852677. The cubic root of 6630473 is about 187.8659920970.

The spelling of 6630473 in words is "six million, six hundred thirty thousand, four hundred seventy-three".