87544073 has 8 divisors (see below), whose sum is σ = 88682880. Its totient is φ = 86410800.

The previous prime is 87544019. The next prime is 87544091. The reversal of 87544073 is 37044578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87544073 - 2⁸ = 87543817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87540073) 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 7 ways as a sum of consecutive naturals, for example, 37136 + ... + 39422.

It is an arithmetic number, because the mean of its divisors is an integer number (11085360).

Almost surely, 2^87544073 is an apocalyptic number.

It is an amenable number.

87544073 is a deficient number, since it is larger than the sum of its proper divisors (1138807).

87544073 is a wasteful number, since it uses less digits than its factorization.

87544073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 87544073 is about 9356.4989713033. The cubic root of 87544073 is about 444.0265266326.

The spelling of 87544073 in words is "eighty-seven million, five hundred forty-four thousand, seventy-three".