72246989047 has 2 divisors, whose sum is σ = 72246989048. Its totient is φ = 72246989046.

The previous prime is 72246989027. The next prime is 72246989057. The reversal of 72246989047 is 74098964227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72246989047 - 2¹⁵ = 72246956279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72246988982 and 72246989000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72246989027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36123494523 + 36123494524.

It is an arithmetic number, because the mean of its divisors is an integer number (36123494524).

Almost surely, 2^72246989047 is an apocalyptic number.

72246989047 is a deficient number, since it is larger than the sum of its proper divisors (1).

72246989047 is an equidigital number, since it uses as much as digits as its factorization.

72246989047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 72246989047 in words is "seventy-two billion, two hundred forty-six million, nine hundred eighty-nine thousand, forty-seven".