73550413 has 4 divisors (see below), whose sum is σ = 75538300. Its totient is φ = 71562528.

The previous prime is 73550369. The next prime is 73550417. The reversal of 73550413 is 31405537.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31405537 = 19 ⋅1652923.

It can be written as a sum of positive squares in 2 ways, for example, as 42224004 + 31326409 = 6498^2 + 5597^2 .

It is a cyclic number.

It is not a de Polignac number, because 73550413 - 2¹⁷ = 73419341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73550417) 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 in 3 ways as a sum of consecutive naturals, for example, 993888 + ... + 993961.

It is an arithmetic number, because the mean of its divisors is an integer number (18884575).

Almost surely, 2^73550413 is an apocalyptic number.

It is an amenable number.

73550413 is a deficient number, since it is larger than the sum of its proper divisors (1987887).

73550413 is a wasteful number, since it uses less digits than its factorization.

73550413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987886.

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

The square root of 73550413 is about 8576.1537416257. The cubic root of 73550413 is about 418.9816845775.

The spelling of 73550413 in words is "seventy-three million, five hundred fifty thousand, four hundred thirteen".