1070644 has 6 divisors (see below), whose sum is σ = 1873634. Its totient is φ = 535320.
The previous prime is 1070621. The next prime is 1070659. The reversal of 1070644 is 4460701.
It can be written as a sum of positive squares in only one way, i.e., 580644 + 490000 = 762^2 + 700^2 .
It is a super-2 number, since 2×10706442 = 2292557149472, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133827 + ... + 133834.
21070644 is an apocalyptic number.
It is an amenable number.
1070644 is a deficient number, since it is larger than the sum of its proper divisors (802990).
1070644 is a wasteful number, since it uses less digits than its factorization.
1070644 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267665 (or 267663 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 1070644 is about 1034.7192856036. The cubic root of 1070644 is about 102.3014279704.
The spelling of 1070644 in words is "one million, seventy thousand, six hundred forty-four".
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