97730 has 16 divisors (see below), whose sum is σ = 182520. Its totient is φ = 37632.

The previous prime is 97729. The next prime is 97771. The reversal of 97730 is 3779.

It is a happy number.

97730 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 4 ways, for example, as 69169 + 28561 = 263^2 + 169^2 .

It is a plaindrome in base 14.

It is a nialpdrome in base 10.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 97730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122 + ... + 458.

2⁹⁷⁷³⁰ is an apocalyptic number.

97730 is a deficient number, since it is larger than the sum of its proper divisors (84790).

97730 is a wasteful number, since it uses less digits than its factorization.

97730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 97730 is about 312.6179777300. The cubic root of 97730 is about 46.0619832351.

The spelling of 97730 in words is "ninety-seven thousand, seven hundred thirty".