9640744 has 8 divisors (see below), whose sum is σ = 18076410. Its totient is φ = 4820368.

The previous prime is 9640739. The next prime is 9640811. The reversal of 9640744 is 4470469.

It can be written as a sum of positive squares in only one way, i.e., 9060100 + 580644 = 3010^2 + 762^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602539 + ... + 602554.

Almost surely, 2^9640744 is an apocalyptic number.

It is an amenable number.

9640744 is a deficient number, since it is larger than the sum of its proper divisors (8435666).

9640744 is a wasteful number, since it uses less digits than its factorization.

9640744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205099 (or 1205095 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 9640744 is about 3104.9547500729. The cubic root of 9640744 is about 212.8319628059.

The spelling of 9640744 in words is "nine million, six hundred forty thousand, seven hundred forty-four".