97944073 has 2 divisors, whose sum is σ = 97944074. Its totient is φ = 97944072.

The previous prime is 97944059. The next prime is 97944079. The reversal of 97944073 is 37044979.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93161104 + 4782969 = 9652^2 + 2187^2 .

It is a cyclic number.

It is not a de Polignac number, because 97944073 - 2¹³ = 97935881 is a prime.

It is not a weakly prime, because it can be changed into another prime (97944079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48972036 + 48972037.

It is an arithmetic number, because the mean of its divisors is an integer number (48972037).

Almost surely, 2^97944073 is an apocalyptic number.

It is an amenable number.

97944073 is a deficient number, since it is larger than the sum of its proper divisors (1).

97944073 is an equidigital number, since it uses as much as digits as its factorization.

97944073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 97944073 is about 9896.6697934204. The cubic root of 97944073 is about 460.9559091596.

The spelling of 97944073 in words is "ninety-seven million, nine hundred forty-four thousand, seventy-three".