87132574 has 8 divisors (see below), whose sum is σ = 130739040. Its totient is φ = 43552896.

The previous prime is 87132571. The next prime is 87132601. The reversal of 87132574 is 47523178.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87132571) 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 3 ways as a sum of consecutive naturals, for example, 7227 + ... + 15049.

It is an arithmetic number, because the mean of its divisors is an integer number (16342380).

Almost surely, 2^87132574 is an apocalyptic number.

87132574 is a deficient number, since it is larger than the sum of its proper divisors (43606466).

87132574 is a wasteful number, since it uses less digits than its factorization.

87132574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13394.

The product of its digits is 47040, while the sum is 37.

The square root of 87132574 is about 9334.4830601378. The cubic root of 87132574 is about 443.3297213919.

The spelling of 87132574 in words is "eighty-seven million, one hundred thirty-two thousand, five hundred seventy-four".