89432772 has 144 divisors (see below), whose sum is σ = 260709120. Its totient is φ = 23587200.

The previous prime is 89432747. The next prime is 89432797. The reversal of 89432772 is 27723498.

It is an interprime number because it is at equal distance from previous prime (89432747) and next prime (89432797).

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 47 ways as a sum of consecutive naturals, for example, 423747 + ... + 423957.

It is an arithmetic number, because the mean of its divisors is an integer number (1810480).

Almost surely, 2^89432772 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 89432772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130354560).

89432772 is an abundant number, since it is smaller than the sum of its proper divisors (171276348).

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

89432772 is a wasteful number, since it uses less digits than its factorization.

89432772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 259 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 89432772 is about 9456.8901865254. The cubic root of 89432772 is about 447.1970163854.

The spelling of 89432772 in words is "eighty-nine million, four hundred thirty-two thousand, seven hundred seventy-two".