73055413 has 2 divisors, whose sum is σ = 73055414. Its totient is φ = 73055412.

The previous prime is 73055371. The next prime is 73055417. The reversal of 73055413 is 31455037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70677649 + 2377764 = 8407^2 + 1542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73055413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73055417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36527706 + 36527707.

It is an arithmetic number, because the mean of its divisors is an integer number (36527707).

Almost surely, 2^73055413 is an apocalyptic number.

It is an amenable number.

73055413 is a deficient number, since it is larger than the sum of its proper divisors (1).

73055413 is an equidigital number, since it uses as much as digits as its factorization.

73055413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 73055413 is about 8547.2459307077. The cubic root of 73055413 is about 418.0396416240.

The spelling of 73055413 in words is "seventy-three million, fifty-five thousand, four hundred thirteen".