6620470 has 8 divisors (see below), whose sum is σ = 11916864. Its totient is φ = 2648184.

The previous prime is 6620461. The next prime is 6620489. The reversal of 6620470 is 740266.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331014 + ... + 331033.

It is an arithmetic number, because the mean of its divisors is an integer number (1489608).

Almost surely, 2^6620470 is an apocalyptic number.

6620470 is a deficient number, since it is larger than the sum of its proper divisors (5296394).

6620470 is a wasteful number, since it uses less digits than its factorization.

6620470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662054.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 6620470 is about 2573.0273997764. The cubic root of 6620470 is about 187.7714704675.

The spelling of 6620470 in words is "six million, six hundred twenty thousand, four hundred seventy".