1066704 has 40 divisors (see below), whose sum is σ = 2803392. Its totient is φ = 349440.

The previous prime is 1066693. The next prime is 1066721. The reversal of 1066704 is 4076601.

It is a super-2 number, since 2×1066704² = 2275714847232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252 + ... + 3564.

2^1066704 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 1066704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401696).

1066704 is an abundant number, since it is smaller than the sum of its proper divisors (1736688).

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

1066704 is a wasteful number, since it uses less digits than its factorization.

1066704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1066704 is about 1032.8136327528. The cubic root of 1066704 is about 102.1757830088.

It can be divided in two parts, 1066 and 704, that added together give a triangular number (1770 = T₅₉).

The spelling of 1066704 in words is "one million, sixty-six thousand, seven hundred four".