1071764 has 6 divisors (see below), whose sum is σ = 1875594. Its totient is φ = 535880.

The previous prime is 1071761. The next prime is 1071773. The reversal of 1071764 is 4671701.

It can be written as a sum of positive squares in only one way, i.e., 592900 + 478864 = 770^2 + 692^2 .

It is a super-3 number, since 3×1071764³ = 3693335414499575232, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133967 + ... + 133974.

It is an arithmetic number, because the mean of its divisors is an integer number (312599).

2^1071764 is an apocalyptic number.

It is an amenable number.

1071764 is a deficient number, since it is larger than the sum of its proper divisors (803830).

1071764 is a wasteful number, since it uses less digits than its factorization.

1071764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267945 (or 267943 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 1071764 is about 1035.2603537275. The cubic root of 1071764 is about 102.3370880247.

The spelling of 1071764 in words is "one million, seventy-one thousand, seven hundred sixty-four".