73506087 has 24 divisors (see below), whose sum is σ = 110616480. Its totient is φ = 46992960.

The previous prime is 73506077. The next prime is 73506089. The reversal of 73506087 is 78060537.

73506087 is a `hidden beast` number, since 73 + 506 + 0 + 87 = 666.

It is not a de Polignac number, because 73506087 - 2¹⁰ = 73505063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73506089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22089 + ... + 25197.

It is an arithmetic number, because the mean of its divisors is an integer number (4609020).

Almost surely, 2^73506087 is an apocalyptic number.

73506087 is a deficient number, since it is larger than the sum of its proper divisors (37110393).

73506087 is a wasteful number, since it uses less digits than its factorization.

73506087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223 (or 3220 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 73506087 is about 8573.5690934406. The cubic root of 73506087 is about 418.8974996243.

The spelling of 73506087 in words is "seventy-three million, five hundred six thousand, eighty-seven".