72985362437 has 16 divisors (see below), whose sum is σ = 79562044800. Its totient is φ = 66549788352.

The previous prime is 72985362433. The next prime is 72985362469. The reversal of 72985362437 is 73426358927.

It is a cyclic number.

It is not a de Polignac number, because 72985362437 - 2² = 72985362433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72985362433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410288 + ... + 560630.

It is an arithmetic number, because the mean of its divisors is an integer number (4972627800).

Almost surely, 2^72985362437 is an apocalyptic number.

It is an amenable number.

72985362437 is a deficient number, since it is larger than the sum of its proper divisors (6576682363).

72985362437 is a wasteful number, since it uses less digits than its factorization.

72985362437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150812.

The product of its digits is 15240960, while the sum is 56.

The spelling of 72985362437 in words is "seventy-two billion, nine hundred eighty-five million, three hundred sixty-two thousand, four hundred thirty-seven".