73506687 has 16 divisors (see below), whose sum is σ = 103614720. Its totient is φ = 46224000.

The previous prime is 73506683. The next prime is 73506721. The reversal of 73506687 is 78660537.

It is not a de Polignac number, because 73506687 - 2² = 73506683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73506683) 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 in 15 ways as a sum of consecutive naturals, for example, 11062 + ... + 16412.

It is an arithmetic number, because the mean of its divisors is an integer number (6475920).

Almost surely, 2^73506687 is an apocalyptic number.

73506687 is a deficient number, since it is larger than the sum of its proper divisors (30108033).

73506687 is a wasteful number, since it uses less digits than its factorization.

73506687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 73506687 is about 8573.6040846309. The cubic root of 73506687 is about 418.8986393839.

The spelling of 73506687 in words is "seventy-three million, five hundred six thousand, six hundred eighty-seven".