72265003 has 2 divisors, whose sum is σ = 72265004. Its totient is φ = 72265002.

The previous prime is 72264989. The next prime is 72265019. The reversal of 72265003 is 30056227.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72265003 is a prime.

It is not a weakly prime, because it can be changed into another prime (72265073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36132501 + 36132502.

It is an arithmetic number, because the mean of its divisors is an integer number (36132502).

Almost surely, 2^72265003 is an apocalyptic number.

72265003 is a deficient number, since it is larger than the sum of its proper divisors (1).

72265003 is an equidigital number, since it uses as much as digits as its factorization.

72265003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 72265003 is about 8500.8824836013. The cubic root of 72265003 is about 416.5265364155.

The spelling of 72265003 in words is "seventy-two million, two hundred sixty-five thousand, three".