73140972319 has 2 divisors, whose sum is σ = 73140972320. Its totient is φ = 73140972318.

The previous prime is 73140972299. The next prime is 73140972379. The reversal of 73140972319 is 91327904137.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73140972319 - 2¹⁵ = 73140939551 is a prime.

It is a super-2 number, since 2×73140972319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73140972379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36570486159 + 36570486160.

It is an arithmetic number, because the mean of its divisors is an integer number (36570486160).

Almost surely, 2^73140972319 is an apocalyptic number.

73140972319 is a deficient number, since it is larger than the sum of its proper divisors (1).

73140972319 is an equidigital number, since it uses as much as digits as its factorization.

73140972319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 73140972319 in words is "seventy-three billion, one hundred forty million, nine hundred seventy-two thousand, three hundred nineteen".