2067761 has 4 divisors (see below), whose sum is σ = 2189412. Its totient is φ = 1946112.

The previous prime is 2067739. The next prime is 2067781. The reversal of 2067761 is 1677602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1874161 + 193600 = 1369^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 2067761 - 2⁶ = 2067697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2067721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60800 + ... + 60833.

It is an arithmetic number, because the mean of its divisors is an integer number (547353).

2^2067761 is an apocalyptic number.

It is an amenable number.

2067761 is a deficient number, since it is larger than the sum of its proper divisors (121651).

2067761 is a wasteful number, since it uses less digits than its factorization.

2067761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121650.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2067761 is about 1437.9711401833. The cubic root of 2067761 is about 127.3992231986.

The spelling of 2067761 in words is "two million, sixty-seven thousand, seven hundred sixty-one".