72278537275003 has 2 divisors, whose sum is σ = 72278537275004. Its totient is φ = 72278537275002.

The previous prime is 72278537274997. The next prime is 72278537275033. The reversal of 72278537275003 is 30057273587227.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72278537275003 is a prime.

It is a super-2 number, since 2×72278537275003² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72278537275033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36139268637501 + 36139268637502.

It is an arithmetic number, because the mean of its divisors is an integer number (36139268637502).

Almost surely, 2^{72278537275003} is an apocalyptic number.

72278537275003 is a deficient number, since it is larger than the sum of its proper divisors (1).

72278537275003 is an equidigital number, since it uses as much as digits as its factorization.

72278537275003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34574400, while the sum is 58.

The spelling of 72278537275003 in words is "seventy-two trillion, two hundred seventy-eight billion, five hundred thirty-seven million, two hundred seventy-five thousand, three".