89668740 has 192 divisors, whose sum is σ = 303464448. Its totient is φ = 19353600.

The previous prime is 89668699. The next prime is 89668753. The reversal of 89668740 is 4786698.

It is a self number, because there is not a number n which added to its sum of digits gives 89668740.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 924372 + ... + 924468.

It is an arithmetic number, because the mean of its divisors is an integer number (1580544).

Almost surely, 2^89668740 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 89668740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151732224).

89668740 is an abundant number, since it is smaller than the sum of its proper divisors (213795708).

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

89668740 is a wasteful number, since it uses less digits than its factorization.

89668740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 89668740 is about 9469.3579507800. The cubic root of 89668740 is about 447.5899801376.

The spelling of 89668740 in words is "eighty-nine million, six hundred sixty-eight thousand, seven hundred forty".