7276305 has 16 divisors (see below), whose sum is σ = 11890944. Its totient is φ = 3797760.

The previous prime is 7276279. The next prime is 7276333. The reversal of 7276305 is 5036727.

It is not a de Polignac number, because 7276305 - 2⁷ = 7276177 is a prime.

It is a super-2 number, since 2×7276305² = 105889228906050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4456 + ... + 5865.

It is an arithmetic number, because the mean of its divisors is an integer number (743184).

Almost surely, 2^7276305 is an apocalyptic number.

It is an amenable number.

7276305 is a deficient number, since it is larger than the sum of its proper divisors (4614639).

7276305 is a wasteful number, since it uses less digits than its factorization.

7276305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10376.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 7276305 is about 2697.4626966837. The cubic root of 7276305 is about 193.7776263069. Note that the first 3 decimals are identical.

The spelling of 7276305 in words is "seven million, two hundred seventy-six thousand, three hundred five".