72276011 has 2 divisors, whose sum is σ = 72276012. Its totient is φ = 72276010.

The previous prime is 72275963. The next prime is 72276013. The reversal of 72276011 is 11067227.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72276011 is a prime.

Together with 72276013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72276013) 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, 36138005 + 36138006.

It is an arithmetic number, because the mean of its divisors is an integer number (36138006).

Almost surely, 2^72276011 is an apocalyptic number.

72276011 is a deficient number, since it is larger than the sum of its proper divisors (1).

72276011 is an equidigital number, since it uses as much as digits as its factorization.

72276011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 72276011 is about 8501.5299211377. The cubic root of 72276011 is about 416.5476849250.

The spelling of 72276011 in words is "seventy-two million, two hundred seventy-six thousand, eleven".