73897 has 2 divisors, whose sum is σ = 73898. Its totient is φ = 73896.

The previous prime is 73883. The next prime is 73907. The reversal of 73897 is 79837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68121 + 5776 = 261^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 73897 - 2¹¹ = 71849 is a prime.

It is not a weakly prime, because it can be changed into another prime (73847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36948 + 36949.

It is an arithmetic number, because the mean of its divisors is an integer number (36949).

2⁷³⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

73897 is a deficient number, since it is larger than the sum of its proper divisors (1).

73897 is an equidigital number, since it uses as much as digits as its factorization.

73897 is an evil number, because the sum of its binary digits is even.

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

The square root of 73897 is about 271.8400264862. The cubic root of 73897 is about 41.9638767254.

It can be divided in two parts, 7389 and 7, that added together give a square (7396 = 86²).

The spelling of 73897 in words is "seventy-three thousand, eight hundred ninety-seven".