73438087 has 2 divisors, whose sum is σ = 73438088. Its totient is φ = 73438086.

The previous prime is 73438061. The next prime is 73438129. The reversal of 73438087 is 78083437.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73438087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73438787) 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, 36719043 + 36719044.

It is an arithmetic number, because the mean of its divisors is an integer number (36719044).

Almost surely, 2^73438087 is an apocalyptic number.

73438087 is a deficient number, since it is larger than the sum of its proper divisors (1).

73438087 is an equidigital number, since it uses as much as digits as its factorization.

73438087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 73438087 is about 8569.6024995329. The cubic root of 73438087 is about 418.7682866596.

The spelling of 73438087 in words is "seventy-three million, four hundred thirty-eight thousand, eighty-seven".