1065680 has 80 divisors (see below), whose sum is σ = 3106944. Its totient is φ = 330240.

The previous prime is 1065677. The next prime is 1065683. The reversal of 1065680 is 865601.

It is an interprime number because it is at equal distance from previous prime (1065677) and next prime (1065683).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1065680² = 2271347724800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6074 + ... + 6246.

2^1065680 is an apocalyptic number.

1065680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553472).

1065680 is an abundant number, since it is smaller than the sum of its proper divisors (2041264).

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

1065680 is a wasteful number, since it uses less digits than its factorization.

1065680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1065680 is about 1032.3177805308. The cubic root of 1065680 is about 102.1430774349.

The spelling of 1065680 in words is "one million, sixty-five thousand, six hundred eighty".