72335420533 has 2 divisors, whose sum is σ = 72335420534. Its totient is φ = 72335420532.

The previous prime is 72335420527. The next prime is 72335420537. The reversal of 72335420533 is 33502453327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55127752849 + 17207667684 = 234793^2 + 131178^2 .

It is a cyclic number.

It is not a de Polignac number, because 72335420533 - 2¹³ = 72335412341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72335420492 and 72335420501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72335420537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36167710266 + 36167710267.

It is an arithmetic number, because the mean of its divisors is an integer number (36167710267).

Almost surely, 2^72335420533 is an apocalyptic number.

It is an amenable number.

72335420533 is a deficient number, since it is larger than the sum of its proper divisors (1).

72335420533 is an equidigital number, since it uses as much as digits as its factorization.

72335420533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 37.

The spelling of 72335420533 in words is "seventy-two billion, three hundred thirty-five million, four hundred twenty thousand, five hundred thirty-three".