73443052401 has 24 divisors (see below), whose sum is σ = 106560348384. Its totient is φ = 44957944320.

The previous prime is 73443052381. The next prime is 73443052429. The reversal of 73443052401 is 10425034437.

It is not a de Polignac number, because 73443052401 - 2¹³ = 73443044209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73443052471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997495 + ... + 1068588.

It is an arithmetic number, because the mean of its divisors is an integer number (4440014516).

Almost surely, 2^73443052401 is an apocalyptic number.

It is an amenable number.

73443052401 is a deficient number, since it is larger than the sum of its proper divisors (33117295983).

73443052401 is a wasteful number, since it uses less digits than its factorization.

73443052401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066161 (or 2066144 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

Adding to 73443052401 its reverse (10425034437), we get a palindrome (83868086838).

The spelling of 73443052401 in words is "seventy-three billion, four hundred forty-three million, fifty-two thousand, four hundred one".