2506766 has 8 divisors (see below), whose sum is σ = 3805704. Its totient is φ = 1238200.

The previous prime is 2506759. The next prime is 2506783. The reversal of 2506766 is 6676052.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7385 + ... + 7716.

It is an arithmetic number, because the mean of its divisors is an integer number (475713).

2^2506766 is an apocalyptic number.

2506766 is a deficient number, since it is larger than the sum of its proper divisors (1298938).

2506766 is a wasteful number, since it uses less digits than its factorization.

2506766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15186.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2506766 is about 1583.2769814533. The cubic root of 2506766 is about 135.8432088704.

The spelling of 2506766 in words is "two million, five hundred six thousand, seven hundred sixty-six".