9663574 has 4 divisors (see below), whose sum is σ = 14495364. Its totient is φ = 4831786.

The previous prime is 9663553. The next prime is 9663581. The reversal of 9663574 is 4753669.

9663574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4753669 = 61 ⋅77929.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2415892 + ... + 2415895.

It is an arithmetic number, because the mean of its divisors is an integer number (3623841).

Almost surely, 2^9663574 is an apocalyptic number.

9663574 is a deficient number, since it is larger than the sum of its proper divisors (4831790).

9663574 is a wasteful number, since it uses less digits than its factorization.

9663574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831789.

The product of its digits is 136080, while the sum is 40.

The square root of 9663574 is about 3108.6289582387. The cubic root of 9663574 is about 212.9998310152. Note that the first 3 decimals are identical.

The spelling of 9663574 in words is "nine million, six hundred sixty-three thousand, five hundred seventy-four".