73054139 has 2 divisors, whose sum is σ = 73054140. Its totient is φ = 73054138.

The previous prime is 73054133. The next prime is 73054147. The reversal of 73054139 is 93145037.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73054139 - 2⁴ = 73054123 is a prime.

It is equal to p_4287092 and since 73054139 and 4287092 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (73054133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36527069 + 36527070.

It is an arithmetic number, because the mean of its divisors is an integer number (36527070).

Almost surely, 2^73054139 is an apocalyptic number.

73054139 is a deficient number, since it is larger than the sum of its proper divisors (1).

73054139 is an equidigital number, since it uses as much as digits as its factorization.

73054139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 73054139 is about 8547.1714034527. The cubic root of 73054139 is about 418.0372115709.

The spelling of 73054139 in words is "seventy-three million, fifty-four thousand, one hundred thirty-nine".