73087047 has 24 divisors (see below), whose sum is σ = 119143440. Its totient is φ = 42766080.

The previous prime is 73087043. The next prime is 73087093. The reversal of 73087047 is 74078037.

It is a happy number.

It is not a de Polignac number, because 73087047 - 2² = 73087043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73087043) 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, 9858 + ... + 15599.

It is an arithmetic number, because the mean of its divisors is an integer number (4964310).

Almost surely, 2^73087047 is an apocalyptic number.

73087047 is a deficient number, since it is larger than the sum of its proper divisors (46056393).

73087047 is a wasteful number, since it uses less digits than its factorization.

73087047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25503 (or 25500 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 73087047 is about 8549.0962680274. The cubic root of 73087047 is about 418.0999718910.

The spelling of 73087047 in words is "seventy-three million, eighty-seven thousand, forty-seven".