72425671847 has 2 divisors, whose sum is σ = 72425671848. Its totient is φ = 72425671846.

The previous prime is 72425671817. The next prime is 72425671849. The reversal of 72425671847 is 74817652427.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72425671847 is a prime.

Together with 72425671849, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72425671849) 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, 36212835923 + 36212835924.

It is an arithmetic number, because the mean of its divisors is an integer number (36212835924).

Almost surely, 2^72425671847 is an apocalyptic number.

72425671847 is a deficient number, since it is larger than the sum of its proper divisors (1).

72425671847 is an equidigital number, since it uses as much as digits as its factorization.

72425671847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5268480, while the sum is 53.

The spelling of 72425671847 in words is "seventy-two billion, four hundred twenty-five million, six hundred seventy-one thousand, eight hundred forty-seven".