6612945 has 8 divisors (see below), whose sum is σ = 10580736. Its totient is φ = 3526896.

The previous prime is 6612929. The next prime is 6612953. The reversal of 6612945 is 5492166.

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

It is not a de Polignac number, because 6612945 - 2⁴ = 6612929 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

6612945 is a lucky 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 7 ways as a sum of consecutive naturals, for example, 220417 + ... + 220446.

It is an arithmetic number, because the mean of its divisors is an integer number (1322592).

Almost surely, 2^6612945 is an apocalyptic number.

It is an amenable number.

6612945 is a deficient number, since it is larger than the sum of its proper divisors (3967791).

6612945 is a wasteful number, since it uses less digits than its factorization.

6612945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440871.

The product of its digits is 12960, while the sum is 33.

The square root of 6612945 is about 2571.5646987778. The cubic root of 6612945 is about 187.7003015023.

It can be divided in two parts, 6612 and 945, that added together give a palindrome (7557).

The spelling of 6612945 in words is "six million, six hundred twelve thousand, nine hundred forty-five".