72107003 has 2 divisors, whose sum is σ = 72107004. Its totient is φ = 72107002.

The previous prime is 72106913. The next prime is 72107041. The reversal of 72107003 is 30070127.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72107003 - 2¹⁴ = 72090619 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72107303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36053501 + 36053502.

It is an arithmetic number, because the mean of its divisors is an integer number (36053502).

Almost surely, 2^72107003 is an apocalyptic number.

72107003 is a deficient number, since it is larger than the sum of its proper divisors (1).

72107003 is an equidigital number, since it uses as much as digits as its factorization.

72107003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 72107003 is about 8491.5842455928. The cubic root of 72107003 is about 416.2227507585. Note that the first 3 decimals are identical.

The spelling of 72107003 in words is "seventy-two million, one hundred seven thousand, three".