2668071 has 8 divisors (see below), whose sum is σ = 4065664. Its totient is φ = 1524600.

The previous prime is 2668063. The next prime is 2668091. The reversal of 2668071 is 1708662.

It is a happy number.

2668071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2668071 - 2³ = 2668063 is a prime.

It is a super-2 number, since 2×2668071² = 14237205722082, which contains 22 as substring.

It is a Duffinian number.

2668071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63505 + ... + 63546.

It is an arithmetic number, because the mean of its divisors is an integer number (508208).

2^2668071 is an apocalyptic number.

2668071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2668071 is a deficient number, since it is larger than the sum of its proper divisors (1397593).

2668071 is a wasteful number, since it uses less digits than its factorization.

2668071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127061.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2668071 is about 1633.4230927717. The cubic root of 2668071 is about 138.6965933569.

The spelling of 2668071 in words is "two million, six hundred sixty-eight thousand, seventy-one".