99737 has 4 divisors (see below), whose sum is σ = 108816. Its totient is φ = 90660.

The previous prime is 99733. The next prime is 99761. The reversal of 99737 is 73799.

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: 73799 = 11 ⋅6709.

It is a cyclic number.

It is not a de Polignac number, because 99737 - 2² = 99733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99697 and 99706.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99737.

It is not an unprimeable number, because it can be changed into a prime (99733) 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, 4523 + ... + 4544.

It is an arithmetic number, because the mean of its divisors is an integer number (27204).

2⁹⁹⁷³⁷ is an apocalyptic number.

It is an amenable number.

99737 is a deficient number, since it is larger than the sum of its proper divisors (9079).

99737 is a wasteful number, since it uses less digits than its factorization.

99737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9078.

The product of its digits is 11907, while the sum is 35.

The square root of 99737 is about 315.8116527299. The cubic root of 99737 is about 46.3751613491.

The spelling of 99737 in words is "ninety-nine thousand, seven hundred thirty-seven".