89737 has 4 divisors (see below), whose sum is σ = 94480. Its totient is φ = 84996.

The previous prime is 89689. The next prime is 89753. The reversal of 89737 is 73798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73798 = 2 ⋅36899.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89737 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (89767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343 + ... + 2380.

It is an arithmetic number, because the mean of its divisors is an integer number (23620).

2⁸⁹⁷³⁷ is an apocalyptic number.

It is an amenable number.

89737 is a deficient number, since it is larger than the sum of its proper divisors (4743).

89737 is a wasteful number, since it uses less digits than its factorization.

89737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742.

The product of its digits is 10584, while the sum is 34.

The square root of 89737 is about 299.5613459711. The cubic root of 89737 is about 44.7703526741.

The spelling of 89737 in words is "eighty-nine thousand, seven hundred thirty-seven".