87745232 has 20 divisors (see below), whose sum is σ = 170215296. Its totient is φ = 43818720.

The previous prime is 87745223. The next prime is 87745297. The reversal of 87745232 is 23254778.

It is a congruent number.

It is an unprimeable number.

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, 12257 + ... + 18047.

Almost surely, 2^87745232 is an apocalyptic number.

It is an amenable number.

87745232 is a deficient number, since it is larger than the sum of its proper divisors (82470064).

87745232 is a wasteful number, since it uses less digits than its factorization.

87745232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746 (or 6740 counting only the distinct ones).

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

The square root of 87745232 is about 9367.2424971280. The cubic root of 87745232 is about 444.3663615790.

The spelling of 87745232 in words is "eighty-seven million, seven hundred forty-five thousand, two hundred thirty-two".