8961745 has 8 divisors (see below), whose sum is σ = 11581416. Its totient is φ = 6617856.

The previous prime is 8961731. The next prime is 8961751. The reversal of 8961745 is 5471698.

8961745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 528529 + 8433216 = 727^2 + 2904^2 .

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 8961745 - 2⁵ = 8961713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8961698 and 8961707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68872 + ... + 69001.

It is an arithmetic number, because the mean of its divisors is an integer number (1447677).

Almost surely, 2^8961745 is an apocalyptic number.

It is an amenable number.

8961745 is a deficient number, since it is larger than the sum of its proper divisors (2619671).

8961745 is a wasteful number, since it uses less digits than its factorization.

8961745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137891.

The product of its digits is 60480, while the sum is 40.

The square root of 8961745 is about 2993.6173770207. The cubic root of 8961745 is about 207.7132466842.

The spelling of 8961745 in words is "eight million, nine hundred sixty-one thousand, seven hundred forty-five".