89370729 has 32 divisors (see below), whose sum is σ = 151776000. Its totient is φ = 50913792.

The previous prime is 89370719. The next prime is 89370733. The reversal of 89370729 is 92707398.

It is not a de Polignac number, because 89370729 - 2⁸ = 89370473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89370719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95737 + ... + 96665.

It is an arithmetic number, because the mean of its divisors is an integer number (4743000).

Almost surely, 2^89370729 is an apocalyptic number.

It is an amenable number.

89370729 is a deficient number, since it is larger than the sum of its proper divisors (62405271).

89370729 is a wasteful number, since it uses less digits than its factorization.

89370729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 89370729 is about 9453.6093107342. The cubic root of 89370729 is about 447.0935797950.

The spelling of 89370729 in words is "eighty-nine million, three hundred seventy thousand, seven hundred twenty-nine".