9640071 has 24 divisors (see below), whose sum is σ = 16851744. Its totient is φ = 5184000.

The previous prime is 9640061. The next prime is 9640109. The reversal of 9640071 is 1700469.

It is not a de Polignac number, because 9640071 - 2¹¹ = 9638023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3430 + ... + 5571.

It is an arithmetic number, because the mean of its divisors is an integer number (702156).

Almost surely, 2^9640071 is an apocalyptic number.

9640071 is a deficient number, since it is larger than the sum of its proper divisors (7211673).

9640071 is a wasteful number, since it uses less digits than its factorization.

9640071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9031 (or 9028 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 9640071 is about 3104.8463730111. The cubic root of 9640071 is about 212.8270102405.

The spelling of 9640071 in words is "nine million, six hundred forty thousand, seventy-one".