73361405 has 8 divisors (see below), whose sum is σ = 94805592. Its totient is φ = 54174528.

The previous prime is 73361401. The next prime is 73361419. The reversal of 73361405 is 50416337.

It can be written as a sum of positive squares in 4 ways, for example, as 14945956 + 58415449 = 3866^2 + 7643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73361405 - 2² = 73361401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73361401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564254 + ... + 564383.

It is an arithmetic number, because the mean of its divisors is an integer number (11850699).

Almost surely, 2^73361405 is an apocalyptic number.

It is an amenable number.

73361405 is a deficient number, since it is larger than the sum of its proper divisors (21444187).

73361405 is a wasteful number, since it uses less digits than its factorization.

73361405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128655.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 73361405 is about 8565.1272611678. The cubic root of 73361405 is about 418.6224805148.

The spelling of 73361405 in words is "seventy-three million, three hundred sixty-one thousand, four hundred five".