73243641 has 8 divisors (see below), whose sum is σ = 98198464. Its totient is φ = 48558960.

The previous prime is 73243637. The next prime is 73243649. The reversal of 73243641 is 14634237.

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

It is not a de Polignac number, because 73243641 - 2² = 73243637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73243599 and 73243608.

It is not an unprimeable number, because it can be changed into a prime (73243649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66901 + ... + 67986.

It is an arithmetic number, because the mean of its divisors is an integer number (12274808).

Almost surely, 2^73243641 is an apocalyptic number.

It is an amenable number.

73243641 is a deficient number, since it is larger than the sum of its proper divisors (24954823).

73243641 is a wasteful number, since it uses less digits than its factorization.

73243641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135071.

The product of its digits is 12096, while the sum is 30.

The square root of 73243641 is about 8558.2498795022. The cubic root of 73243641 is about 418.3983614866.

Adding to 73243641 its reverse (14634237), we get a palindrome (87877878).

The spelling of 73243641 in words is "seventy-three million, two hundred forty-three thousand, six hundred forty-one".