73540408 has 8 divisors (see below), whose sum is σ = 137888280. Its totient is φ = 36770200.

The previous prime is 73540403. The next prime is 73540417. The reversal of 73540408 is 80404537.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 73540408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73540403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4596268 + ... + 4596283.

It is an arithmetic number, because the mean of its divisors is an integer number (17236035).

Almost surely, 2^73540408 is an apocalyptic number.

It is an amenable number.

73540408 is a deficient number, since it is larger than the sum of its proper divisors (64347872).

73540408 is a wasteful number, since it uses less digits than its factorization.

73540408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9192557 (or 9192553 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 73540408 is about 8575.5704183454. The cubic root of 73540408 is about 418.9626858089.

The spelling of 73540408 in words is "seventy-three million, five hundred forty thousand, four hundred eight".