9640734 has 32 divisors (see below), whose sum is σ = 20860416. Its totient is φ = 2958720.

The previous prime is 9640727. The next prime is 9640739. The reversal of 9640734 is 4370469.

9640734 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9640695 and 9640704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3789 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (651888).

Almost surely, 2^9640734 is an apocalyptic number.

9640734 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

9640734 is an abundant number, since it is smaller than the sum of its proper divisors (11219682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9640734 is a wasteful number, since it uses less digits than its factorization.

9640734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 9640734 is about 3104.9531397430. The cubic root of 9640734 is about 212.8318892182.

The spelling of 9640734 in words is "nine million, six hundred forty thousand, seven hundred thirty-four".