6601970 has 8 divisors (see below), whose sum is σ = 11883564. Its totient is φ = 2640784.

The previous prime is 6601961. The next prime is 6601993. The reversal of 6601970 is 791066.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6599761 + 2209 = 2569^2 + 47^2 .

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

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, 330089 + ... + 330108.

Almost surely, 2^6601970 is an apocalyptic number.

6601970 is a deficient number, since it is larger than the sum of its proper divisors (5281594).

6601970 is a wasteful number, since it uses less digits than its factorization.

6601970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660204.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 6601970 is about 2569.4298978567. The cubic root of 6601970 is about 187.5964067184.

The spelling of 6601970 in words is "six million, six hundred one thousand, nine hundred seventy".