1066724 has 6 divisors (see below), whose sum is σ = 1866774. Its totient is φ = 533360.

The previous prime is 1066721. The next prime is 1066729. The reversal of 1066724 is 4276601.

It can be written as a sum of positive squares in only one way, i.e., 964324 + 102400 = 982^2 + 320^2 .

It is a super-2 number, since 2×1066724² = 2275800184352, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 0 + 6² + 6⁴ + 7⁵ + 2³ + 4¹⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 1066693 and 1066702.

It is not an unprimeable number, because it can be changed into a prime (1066721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133337 + ... + 133344.

It is an arithmetic number, because the mean of its divisors is an integer number (311129).

2^1066724 is an apocalyptic number.

It is an amenable number.

1066724 is a deficient number, since it is larger than the sum of its proper divisors (800050).

1066724 is a wasteful number, since it uses less digits than its factorization.

1066724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266685 (or 266683 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1066724 is about 1032.8233149963. The cubic root of 1066724 is about 102.1764215811.

The spelling of 1066724 in words is "one million, sixty-six thousand, seven hundred twenty-four".