72080003 has 2 divisors, whose sum is σ = 72080004. Its totient is φ = 72080002.

The previous prime is 72079961. The next prime is 72080011. The reversal of 72080003 is 30008027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72080003 - 2⁸ = 72079747 is a prime.

It is not a weakly prime, because it can be changed into another prime (72080023) 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, 36040001 + 36040002.

It is an arithmetic number, because the mean of its divisors is an integer number (36040002).

Almost surely, 2^72080003 is an apocalyptic number.

72080003 is a deficient number, since it is larger than the sum of its proper divisors (1).

72080003 is an equidigital number, since it uses as much as digits as its factorization.

72080003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 72080003 is about 8489.9942873950. The cubic root of 72080003 is about 416.1707936357.

The spelling of 72080003 in words is "seventy-two million, eighty thousand, three".