73680143 has 2 divisors, whose sum is σ = 73680144. Its totient is φ = 73680142.

The previous prime is 73680077. The next prime is 73680151. The reversal of 73680143 is 34108637.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73680143 - 2¹² = 73676047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73680643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36840071 + 36840072.

It is an arithmetic number, because the mean of its divisors is an integer number (36840072).

Almost surely, 2^73680143 is an apocalyptic number.

73680143 is a deficient number, since it is larger than the sum of its proper divisors (1).

73680143 is an equidigital number, since it uses as much as digits as its factorization.

73680143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 73680143 is about 8583.7138232819. The cubic root of 73680143 is about 419.2278765690.

The spelling of 73680143 in words is "seventy-three million, six hundred eighty thousand, one hundred forty-three".