72055211 has 2 divisors, whose sum is σ = 72055212. Its totient is φ = 72055210.

The previous prime is 72055187. The next prime is 72055219. The reversal of 72055211 is 11255027.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72055211 is a prime.

It is not a weakly prime, because it can be changed into another prime (72055219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36027605 + 36027606.

It is an arithmetic number, because the mean of its divisors is an integer number (36027606).

Almost surely, 2^72055211 is an apocalyptic number.

72055211 is a deficient number, since it is larger than the sum of its proper divisors (1).

72055211 is an equidigital number, since it uses as much as digits as its factorization.

72055211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 72055211 is about 8488.5340901713. The cubic root of 72055211 is about 416.1230740231.

The spelling of 72055211 in words is "seventy-two million, fifty-five thousand, two hundred eleven".