73245837393 has 24 divisors (see below), whose sum is σ = 107250366600. Its totient is φ = 48163636224.

The previous prime is 73245837377. The next prime is 73245837403. The reversal of 73245837393 is 39373854237.

73245837393 is a `hidden beast` number, since 7 + 3 + 24 + 583 + 7 + 39 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28219968144 + 45025869249 = 167988^2 + 212193^2 .

It is not a de Polignac number, because 73245837393 - 2⁴ = 73245837377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73245837323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215821 + ... + 439397.

It is an arithmetic number, because the mean of its divisors is an integer number (4468765275).

Almost surely, 2^73245837393 is an apocalyptic number.

It is an amenable number.

73245837393 is a deficient number, since it is larger than the sum of its proper divisors (34004529207).

73245837393 is a wasteful number, since it uses less digits than its factorization.

73245837393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224081 (or 224078 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 54.

The spelling of 73245837393 in words is "seventy-three billion, two hundred forty-five million, eight hundred thirty-seven thousand, three hundred ninety-three".