72030827633 has 2 divisors, whose sum is σ = 72030827634. Its totient is φ = 72030827632.

The previous prime is 72030827527. The next prime is 72030827657. The reversal of 72030827633 is 33672803027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40736156224 + 31294671409 = 201832^2 + 176903^2 .

It is a cyclic number.

It is not a de Polignac number, because 72030827633 - 2⁸ = 72030827377 is a prime.

It is not a weakly prime, because it can be changed into another prime (72030827683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36015413816 + 36015413817.

It is an arithmetic number, because the mean of its divisors is an integer number (36015413817).

Almost surely, 2^72030827633 is an apocalyptic number.

It is an amenable number.

72030827633 is a deficient number, since it is larger than the sum of its proper divisors (1).

72030827633 is an equidigital number, since it uses as much as digits as its factorization.

72030827633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 72030827633 in words is "seventy-two billion, thirty million, eight hundred twenty-seven thousand, six hundred thirty-three".