89729542 has 8 divisors (see below), whose sum is σ = 153822096. Its totient is φ = 38455512.

The previous prime is 89729539. The next prime is 89729561. The reversal of 89729542 is 24592798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 89729492 and 89729501.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3204613 + ... + 3204640.

It is an arithmetic number, because the mean of its divisors is an integer number (19227762).

Almost surely, 2^89729542 is an apocalyptic number.

89729542 is a deficient number, since it is larger than the sum of its proper divisors (64092554).

89729542 is a wasteful number, since it uses less digits than its factorization.

89729542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6409262.

The product of its digits is 362880, while the sum is 46.

The square root of 89729542 is about 9472.5678672681. The cubic root of 89729542 is about 447.6911235877.

The spelling of 89729542 in words is "eighty-nine million, seven hundred twenty-nine thousand, five hundred forty-two".