73000687 has 2 divisors, whose sum is σ = 73000688. Its totient is φ = 73000686.

The previous prime is 73000649. The next prime is 73000783. The reversal of 73000687 is 78600037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73000687 - 2¹⁵ = 72967919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73000607) 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, 36500343 + 36500344.

It is an arithmetic number, because the mean of its divisors is an integer number (36500344).

Almost surely, 2^73000687 is an apocalyptic number.

73000687 is a deficient number, since it is larger than the sum of its proper divisors (1).

73000687 is an equidigital number, since it uses as much as digits as its factorization.

73000687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 73000687 is about 8544.0439488570. The cubic root of 73000687 is about 417.9352306870.

The spelling of 73000687 in words is "seventy-three million, six hundred eighty-seven", and thus it is an aban number.