6659470 has 8 divisors (see below), whose sum is σ = 11987064. Its totient is φ = 2663784.

The previous prime is 6659447. The next prime is 6659491. The reversal of 6659470 is 749566.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332964 + ... + 332983.

It is an arithmetic number, because the mean of its divisors is an integer number (1498383).

Almost surely, 2^6659470 is an apocalyptic number.

6659470 is a deficient number, since it is larger than the sum of its proper divisors (5327594).

6659470 is a wasteful number, since it uses less digits than its factorization.

6659470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665954.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 6659470 is about 2580.5948926556. The cubic root of 6659470 is about 188.1394581663.

It can be divided in two parts, 66 and 59470, that added together give a square (59536 = 244²).

The spelling of 6659470 in words is "six million, six hundred fifty-nine thousand, four hundred seventy".