73316549 has 2 divisors, whose sum is σ = 73316550. Its totient is φ = 73316548.

The previous prime is 73316539. The next prime is 73316557. The reversal of 73316549 is 94561337.

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., 68724100 + 4592449 = 8290^2 + 2143^2 .

It is a cyclic number.

It is not a de Polignac number, because 73316549 - 2²⁰ = 72267973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73316539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36658274 + 36658275.

It is an arithmetic number, because the mean of its divisors is an integer number (36658275).

Almost surely, 2^73316549 is an apocalyptic number.

It is an amenable number.

73316549 is a deficient number, since it is larger than the sum of its proper divisors (1).

73316549 is an equidigital number, since it uses as much as digits as its factorization.

73316549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 73316549 is about 8562.5083357624. The cubic root of 73316549 is about 418.5371424616.

The spelling of 73316549 in words is "seventy-three million, three hundred sixteen thousand, five hundred forty-nine".