1766142 has 48 divisors (see below), whose sum is σ = 4447872. Its totient is φ = 496080.

The previous prime is 1766137. The next prime is 1766153. The reversal of 1766142 is 2416671.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13417 + ... + 13547.

It is an arithmetic number, because the mean of its divisors is an integer number (92664).

2^1766142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1766142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2223936).

1766142 is an abundant number, since it is smaller than the sum of its proper divisors (2681730).

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

1766142 is a wasteful number, since it uses less digits than its factorization.

1766142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 250 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1766142 is about 1328.9627534284. The cubic root of 1766142 is about 120.8764989920.

The spelling of 1766142 in words is "one million, seven hundred sixty-six thousand, one hundred forty-two".