72605387205983 has 2 divisors, whose sum is σ = 72605387205984. Its totient is φ = 72605387205982.

The previous prime is 72605387205913. The next prime is 72605387206091. The reversal of 72605387205983 is 38950278350627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72605387205983 - 2¹⁸ = 72605386943839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72605387205913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36302693602991 + 36302693602992.

It is an arithmetic number, because the mean of its divisors is an integer number (36302693602992).

Almost surely, 2^{72605387205983} is an apocalyptic number.

72605387205983 is a deficient number, since it is larger than the sum of its proper divisors (1).

72605387205983 is an equidigital number, since it uses as much as digits as its factorization.

72605387205983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 152409600, while the sum is 65.

The spelling of 72605387205983 in words is "seventy-two trillion, six hundred five billion, three hundred eighty-seven million, two hundred five thousand, nine hundred eighty-three".