7275766 has 4 divisors (see below), whose sum is σ = 10913652. Its totient is φ = 3637882.

The previous prime is 7275757. The next prime is 7275769. The reversal of 7275766 is 6675727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6675727 = 23 ⋅290249.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7275769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1818940 + ... + 1818943.

It is an arithmetic number, because the mean of its divisors is an integer number (2728413).

Almost surely, 2^7275766 is an apocalyptic number.

7275766 is a deficient number, since it is larger than the sum of its proper divisors (3637886).

7275766 is a wasteful number, since it uses less digits than its factorization.

7275766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637885.

The product of its digits is 123480, while the sum is 40.

The square root of 7275766 is about 2697.3627861302. The cubic root of 7275766 is about 193.7728414278.

The spelling of 7275766 in words is "seven million, two hundred seventy-five thousand, seven hundred sixty-six".