6612745 has 8 divisors (see below), whose sum is σ = 8402184. Its totient is φ = 4978944.

The previous prime is 6612733. The next prime is 6612791. The reversal of 6612745 is 5472166.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2253001 + 4359744 = 1501^2 + 2088^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6612745 - 2¹⁵ = 6579977 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38814 + ... + 38983.

It is an arithmetic number, because the mean of its divisors is an integer number (1050273).

Almost surely, 2^6612745 is an apocalyptic number.

It is an amenable number.

6612745 is a deficient number, since it is larger than the sum of its proper divisors (1789439).

6612745 is a wasteful number, since it uses less digits than its factorization.

6612745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77819.

The product of its digits is 10080, while the sum is 31.

The square root of 6612745 is about 2571.5258116535. The cubic root of 6612745 is about 187.6984092320.

The spelling of 6612745 in words is "six million, six hundred twelve thousand, seven hundred forty-five".