72202003 has 2 divisors, whose sum is σ = 72202004. Its totient is φ = 72202002.

The previous prime is 72202001. The next prime is 72202019. The reversal of 72202003 is 30020227.

It is a happy number.

It is an a-pointer prime, because the next prime (72202019) can be obtained adding 72202003 to its sum of digits (16).

It is a weak prime.

It is an emirp because it is prime and its reverse (30020227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72202003 - 2¹ = 72202001 is a prime.

Together with 72202001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72202001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36101001 + 36101002.

It is an arithmetic number, because the mean of its divisors is an integer number (36101002).

Almost surely, 2^72202003 is an apocalyptic number.

72202003 is a deficient number, since it is larger than the sum of its proper divisors (1).

72202003 is an equidigital number, since it uses as much as digits as its factorization.

72202003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 72202003 is about 8497.1761780017. The cubic root of 72202003 is about 416.4054598224.

The spelling of 72202003 in words is "seventy-two million, two hundred two thousand, three".