87740334 has 80 divisors (see below), whose sum is σ = 218758320. Its totient is φ = 26058240.

The previous prime is 87740333. The next prime is 87740353. The reversal of 87740334 is 43304778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87740333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 93982 + ... + 94910.

It is an arithmetic number, because the mean of its divisors is an integer number (2734479).

Almost surely, 2^87740334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87740334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109379160).

87740334 is an abundant number, since it is smaller than the sum of its proper divisors (131017986).

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

87740334 is a wasteful number, since it uses less digits than its factorization.

87740334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 87740334 is about 9366.9810504773. The cubic root of 87740334 is about 444.3580931452.

Subtracting from 87740334 its reverse (43304778), we obtain a square (44435556 = 6666²).

The spelling of 87740334 in words is "eighty-seven million, seven hundred forty thousand, three hundred thirty-four".