1075664 has 40 divisors (see below), whose sum is σ = 2261760. Its totient is φ = 494208.

The previous prime is 1075663. The next prime is 1075667. The reversal of 1075664 is 4665701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13577 + ... + 13655.

It is an arithmetic number, because the mean of its divisors is an integer number (56544).

2^1075664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1075664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130880).

1075664 is an abundant number, since it is smaller than the sum of its proper divisors (1186096).

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

1075664 is a wasteful number, since it uses less digits than its factorization.

1075664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1075664 is about 1037.1422274693. The cubic root of 1075664 is about 102.4610679034.

The spelling of 1075664 in words is "one million, seventy-five thousand, six hundred sixty-four".