72209593147 has 2 divisors, whose sum is σ = 72209593148. Its totient is φ = 72209593146.

The previous prime is 72209593037. The next prime is 72209593151. The reversal of 72209593147 is 74139590227.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72209593147 - 2⁷ = 72209593019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72209593147.

It is not a weakly prime, because it can be changed into another prime (72209590147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36104796573 + 36104796574.

It is an arithmetic number, because the mean of its divisors is an integer number (36104796574).

Almost surely, 2^72209593147 is an apocalyptic number.

72209593147 is a deficient number, since it is larger than the sum of its proper divisors (1).

72209593147 is an equidigital number, since it uses as much as digits as its factorization.

72209593147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 72209593147 in words is "seventy-two billion, two hundred nine million, five hundred ninety-three thousand, one hundred forty-seven".