87067744 has 48 divisors (see below), whose sum is σ = 187790400. Its totient is φ = 39553024.

The previous prime is 87067699. The next prime is 87067751. The reversal of 87067744 is 44776078.

It is a super-3 number, since 3×87067744³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87067744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13017 + ... + 18535.

It is an arithmetic number, because the mean of its divisors is an integer number (3912300).

Almost surely, 2^87067744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87067744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93895200).

87067744 is an abundant number, since it is smaller than the sum of its proper divisors (100722656).

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

87067744 is a wasteful number, since it uses less digits than its factorization.

87067744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575 (or 5567 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 87067744 is about 9331.0098060178. The cubic root of 87067744 is about 443.2197426334.

The spelling of 87067744 in words is "eighty-seven million, sixty-seven thousand, seven hundred forty-four".