9743664 has 80 divisors (see below), whose sum is σ = 29426688. Its totient is φ = 2720256.

The previous prime is 9743663. The next prime is 9743677. The reversal of 9743664 is 4663479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9743663) 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, 15484 + ... + 16100.

Almost surely, 2^9743664 is an apocalyptic number.

9743664 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9743664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14713344).

9743664 is an abundant number, since it is smaller than the sum of its proper divisors (19683024).

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

9743664 is a wasteful number, since it uses less digits than its factorization.

9743664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 676 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 9743664 is about 3121.4842623342. The cubic root of 9743664 is about 213.5866478770.

The spelling of 9743664 in words is "nine million, seven hundred forty-three thousand, six hundred sixty-four".