6630471 has 16 divisors (see below), whose sum is σ = 10053120. Its totient is φ = 4316760.

The previous prime is 6630467. The next prime is 6630499. The reversal of 6630471 is 1740366.

It is not a de Polignac number, because 6630471 - 2² = 6630467 is a prime.

It is a super-3 number, since 3×6630471³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630461) 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 15 ways as a sum of consecutive naturals, for example, 1695 + ... + 4016.

It is an arithmetic number, because the mean of its divisors is an integer number (628320).

Almost surely, 2^6630471 is an apocalyptic number.

6630471 is a deficient number, since it is larger than the sum of its proper divisors (3422649).

6630471 is a wasteful number, since it uses less digits than its factorization.

6630471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763 (or 5757 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 6630471 is about 2574.9700969137. The cubic root of 6630471 is about 187.8659732078.

The spelling of 6630471 in words is "six million, six hundred thirty thousand, four hundred seventy-one".