73207144093 has 2 divisors, whose sum is σ = 73207144094. Its totient is φ = 73207144092.

The previous prime is 73207144079. The next prime is 73207144097. The reversal of 73207144093 is 39044170237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57012545529 + 16194598564 = 238773^2 + 127258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73207144093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73207144097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36603572046 + 36603572047.

It is an arithmetic number, because the mean of its divisors is an integer number (36603572047).

Almost surely, 2^73207144093 is an apocalyptic number.

It is an amenable number.

73207144093 is a deficient number, since it is larger than the sum of its proper divisors (1).

73207144093 is an equidigital number, since it uses as much as digits as its factorization.

73207144093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 73207144093 in words is "seventy-three billion, two hundred seven million, one hundred forty-four thousand, ninety-three".