72323063245 has 16 divisors (see below), whose sum is σ = 89667059328. Its totient is φ = 55957590720.

The previous prime is 72323063231. The next prime is 72323063251. The reversal of 72323063245 is 54236032327.

It is not a de Polignac number, because 72323063245 - 2¹⁷ = 72322932173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 15 ways as a sum of consecutive naturals, for example, 1139571 + ... + 1201360.

It is an arithmetic number, because the mean of its divisors is an integer number (5604191208).

Almost surely, 2^72323063245 is an apocalyptic number.

It is an amenable number.

72323063245 is a deficient number, since it is larger than the sum of its proper divisors (17343996083).

72323063245 is a wasteful number, since it uses less digits than its factorization.

72323063245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341140.

The product of its (nonzero) digits is 181440, while the sum is 37.

The spelling of 72323063245 in words is "seventy-two billion, three hundred twenty-three million, sixty-three thousand, two hundred forty-five".