73331641 has 4 divisors (see below), whose sum is σ = 75037072. Its totient is φ = 71626212.

The previous prime is 73331617. The next prime is 73331651. The reversal of 73331641 is 14613337.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14613337 = 19 ⋅769123.

It is a cyclic number.

It is not a de Polignac number, because 73331641 - 2¹¹ = 73329593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73331651) 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 3 ways as a sum of consecutive naturals, for example, 852651 + ... + 852736.

It is an arithmetic number, because the mean of its divisors is an integer number (18759268).

Almost surely, 2^73331641 is an apocalyptic number.

It is an amenable number.

73331641 is a deficient number, since it is larger than the sum of its proper divisors (1705431).

73331641 is a wasteful number, since it uses less digits than its factorization.

73331641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705430.

The product of its digits is 4536, while the sum is 28.

The square root of 73331641 is about 8563.3895742282. The cubic root of 73331641 is about 418.5658587123.

Adding to 73331641 its reverse (14613337), we get a palindrome (87944978).

The spelling of 73331641 in words is "seventy-three million, three hundred thirty-one thousand, six hundred forty-one".