72737066063 has 2 divisors, whose sum is σ = 72737066064. Its totient is φ = 72737066062.

The previous prime is 72737066057. The next prime is 72737066107. The reversal of 72737066063 is 36066073727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72737066063 - 2¹² = 72737061967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72737065999 and 72737066017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72737066023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36368533031 + 36368533032.

It is an arithmetic number, because the mean of its divisors is an integer number (36368533032).

Almost surely, 2^72737066063 is an apocalyptic number.

72737066063 is a deficient number, since it is larger than the sum of its proper divisors (1).

72737066063 is an equidigital number, since it uses as much as digits as its factorization.

72737066063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 47.

The spelling of 72737066063 in words is "seventy-two billion, seven hundred thirty-seven million, sixty-six thousand, sixty-three".