73459121 has 2 divisors, whose sum is σ = 73459122. Its totient is φ = 73459120.

The previous prime is 73459109. The next prime is 73459123. The reversal of 73459121 is 12195437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51265600 + 22193521 = 7160^2 + 4711^2 .

It is an emirp because it is prime and its reverse (12195437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73459121 - 2¹⁰ = 73458097 is a prime.

Together with 73459123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73459123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36729560 + 36729561.

It is an arithmetic number, because the mean of its divisors is an integer number (36729561).

Almost surely, 2^73459121 is an apocalyptic number.

It is an amenable number.

73459121 is a deficient number, since it is larger than the sum of its proper divisors (1).

73459121 is an equidigital number, since it uses as much as digits as its factorization.

73459121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 73459121 is about 8570.8296564568. The cubic root of 73459121 is about 418.8082637872.

The spelling of 73459121 in words is "seventy-three million, four hundred fifty-nine thousand, one hundred twenty-one".