72446443220525 has 12 divisors (see below), whose sum is σ = 98000279556864. Its totient is φ = 52688322342000.

The previous prime is 72446443220519. The next prime is 72446443220549. The reversal of 72446443220525 is 52502234464427.

It is not a de Polignac number, because 72446443220525 - 2⁴ = 72446443220509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131720805581 + ... + 131720806130.

It is an arithmetic number, because the mean of its divisors is an integer number (8166689963072).

Almost surely, 2^{72446443220525} is an apocalyptic number.

It is an amenable number.

72446443220525 is a deficient number, since it is larger than the sum of its proper divisors (25553836336339).

72446443220525 is a wasteful number, since it uses less digits than its factorization.

72446443220525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263441611732 (or 263441611727 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 50.

The spelling of 72446443220525 in words is "seventy-two trillion, four hundred forty-six billion, four hundred forty-three million, two hundred twenty thousand, five hundred twenty-five".