87473244 has 12 divisors (see below), whose sum is σ = 204104264. Its totient is φ = 29157744.

The previous prime is 87473219. The next prime is 87473273. The reversal of 87473244 is 44237478.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3644707 + ... + 3644730.

Almost surely, 2^87473244 is an apocalyptic number.

It is an amenable number.

87473244 is an abundant number, since it is smaller than the sum of its proper divisors (116631020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87473244 is a wasteful number, since it uses less digits than its factorization.

87473244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7289444 (or 7289442 counting only the distinct ones).

The product of its digits is 150528, while the sum is 39.

The square root of 87473244 is about 9352.7131892302. The cubic root of 87473244 is about 443.9067452878.

The spelling of 87473244 in words is "eighty-seven million, four hundred seventy-three thousand, two hundred forty-four".