73420541 has 6 divisors (see below), whose sum is σ = 77488542. Its totient is φ = 69555960.

The previous prime is 73420537. The next prime is 73420549. The reversal of 73420541 is 14502437.

It can be written as a sum of positive squares in only one way, i.e., 60388441 + 13032100 = 7771^2 + 3610^2 .

It is not a de Polignac number, because 73420541 - 2² = 73420537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73420541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73420549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101330 + ... + 102051.

It is an arithmetic number, because the mean of its divisors is an integer number (12914757).

Almost surely, 2^73420541 is an apocalyptic number.

It is an amenable number.

73420541 is a deficient number, since it is larger than the sum of its proper divisors (4068001).

73420541 is a wasteful number, since it uses less digits than its factorization.

73420541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203419 (or 203400 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 73420541 is about 8568.5787036124. The cubic root of 73420541 is about 418.7349329694.

Adding to 73420541 its reverse (14502437), we get a palindrome (87922978).

The spelling of 73420541 in words is "seventy-three million, four hundred twenty thousand, five hundred forty-one".