72063203 has 2 divisors, whose sum is σ = 72063204. Its totient is φ = 72063202.

The previous prime is 72063179. The next prime is 72063223. The reversal of 72063203 is 30236027.

It is a strong prime.

It is an emirp because it is prime and its reverse (30236027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72063203 - 2²⁴ = 55285987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72063223) 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, 36031601 + 36031602.

It is an arithmetic number, because the mean of its divisors is an integer number (36031602).

Almost surely, 2^72063203 is an apocalyptic number.

72063203 is a deficient number, since it is larger than the sum of its proper divisors (1).

72063203 is an equidigital number, since it uses as much as digits as its factorization.

72063203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 72063203 is about 8489.0048297783. The cubic root of 72063203 is about 416.1384582107.

The spelling of 72063203 in words is "seventy-two million, sixty-three thousand, two hundred three".