2666754 has 12 divisors (see below), whose sum is σ = 5778006. Its totient is φ = 888912.

The previous prime is 2666749. The next prime is 2666779. The reversal of 2666754 is 4576662.

It can be written as a sum of positive squares in only one way, i.e., 2169729 + 497025 = 1473^2 + 705^2 .

It is a super-2 number, since 2×2666754² = 14223153793032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74059 + ... + 74094.

2^2666754 is an apocalyptic number.

2666754 is an abundant number, since it is smaller than the sum of its proper divisors (3111252).

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

2666754 is a wasteful number, since it uses less digits than its factorization.

2666754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148161 (or 148158 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 2666754 is about 1633.0199018995. The cubic root of 2666754 is about 138.6737686924.

The spelling of 2666754 in words is "two million, six hundred sixty-six thousand, seven hundred fifty-four".