2668072754 has 4 divisors (see below), whose sum is σ = 4002109134. Its totient is φ = 1334036376.

The previous prime is 2668072747. The next prime is 2668072763. The reversal of 2668072754 is 4572708662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4572708662 = 2 ⋅2286354331.

It can be written as a sum of positive squares in only one way, i.e., 2183412529 + 484660225 = 46727^2 + 22015^2 .

It is a super-2 number, since 2×2668072754² = 14237224441274289032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2668072699 and 2668072708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667018187 + ... + 667018190.

Almost surely, 2^2668072754 is an apocalyptic number.

2668072754 is a deficient number, since it is larger than the sum of its proper divisors (1334036380).

2668072754 is a wasteful number, since it uses less digits than its factorization.

2668072754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334036379.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The square root of 2668072754 is about 51653.3905373113. The cubic root of 2668072754 is about 1386.9662375016.

The spelling of 2668072754 in words is "two billion, six hundred sixty-eight million, seventy-two thousand, seven hundred fifty-four".