73053340 has 24 divisors (see below), whose sum is σ = 154360080. Its totient is φ = 29040768.

The previous prime is 73053311. The next prime is 73053361. The reversal of 73053340 is 4335037.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7945 + ... + 14464.

It is an arithmetic number, because the mean of its divisors is an integer number (6431670).

Almost surely, 2^73053340 is an apocalyptic number.

It is an amenable number.

73053340 is an abundant number, since it is smaller than the sum of its proper divisors (81306740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73053340 is a wasteful number, since it uses less digits than its factorization.

73053340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22581 (or 22579 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 73053340 is about 8547.1246627155. The cubic root of 73053340 is about 418.0356875279.

Adding to 73053340 its reverse (4335037), we get a palindrome (77388377).

The spelling of 73053340 in words is "seventy-three million, fifty-three thousand, three hundred forty".