73356409 has 8 divisors (see below), whose sum is σ = 85785920. Its totient is φ = 61414416.

The previous prime is 73356403. The next prime is 73356427. The reversal of 73356409 is 90465337.

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

It is not a de Polignac number, because 73356409 - 2⁹ = 73355897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73356403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121554 + ... + 122155.

It is an arithmetic number, because the mean of its divisors is an integer number (10723240).

Almost surely, 2^73356409 is an apocalyptic number.

It is an amenable number.

73356409 is a deficient number, since it is larger than the sum of its proper divisors (12429511).

73356409 is a wasteful number, since it uses less digits than its factorization.

73356409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243759.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 73356409 is about 8564.8356084632. The cubic root of 73356409 is about 418.6129774007.

The spelling of 73356409 in words is "seventy-three million, three hundred fifty-six thousand, four hundred nine".