73212522347 has 2 divisors, whose sum is σ = 73212522348. Its totient is φ = 73212522346.

The previous prime is 73212522343. The next prime is 73212522403. The reversal of 73212522347 is 74322521237.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73212522347 - 2² = 73212522343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73212522347.

It is not a weakly prime, because it can be changed into another prime (73212522343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36606261173 + 36606261174.

It is an arithmetic number, because the mean of its divisors is an integer number (36606261174).

Almost surely, 2^73212522347 is an apocalyptic number.

73212522347 is a deficient number, since it is larger than the sum of its proper divisors (1).

73212522347 is an equidigital number, since it uses as much as digits as its factorization.

73212522347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 38.

The spelling of 73212522347 in words is "seventy-three billion, two hundred twelve million, five hundred twenty-two thousand, three hundred forty-seven".