73045401 has 48 divisors (see below), whose sum is σ = 120478848. Its totient is φ = 39029760.

The previous prime is 73045391. The next prime is 73045409. The reversal of 73045401 is 10454037.

It is not a de Polignac number, because 73045401 - 2⁹ = 73044889 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73045409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108201 + ... + 108873.

It is an arithmetic number, because the mean of its divisors is an integer number (2509976).

Almost surely, 2^73045401 is an apocalyptic number.

It is an amenable number.

73045401 is a deficient number, since it is larger than the sum of its proper divisors (47433447).

73045401 is a wasteful number, since it uses less digits than its factorization.

73045401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 73045401 is about 8546.6602249066. The cubic root of 73045401 is about 418.0205437733.

Adding to 73045401 its reverse (10454037), we get a palindrome (83499438).

The spelling of 73045401 in words is "seventy-three million, forty-five thousand, four hundred one".