73920000097 has 2 divisors, whose sum is σ = 73920000098. Its totient is φ = 73920000096.

The previous prime is 73919999983. The next prime is 73920000131. The reversal of 73920000097 is 79000002937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58581425296 + 15338574801 = 242036^2 + 123849^2 .

It is an emirp because it is prime and its reverse (79000002937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73920000097 - 2¹⁹ = 73919475809 is a prime.

It is not a weakly prime, because it can be changed into another prime (73920000197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36960000048 + 36960000049.

It is an arithmetic number, because the mean of its divisors is an integer number (36960000049).

Almost surely, 2^73920000097 is an apocalyptic number.

It is an amenable number.

73920000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

73920000097 is an equidigital number, since it uses as much as digits as its factorization.

73920000097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 37.

The spelling of 73920000097 in words is "seventy-three billion, nine hundred twenty million, ninety-seven", and thus it is an aban number.