73538408 has 8 divisors (see below), whose sum is σ = 137884530. Its totient is φ = 36769200.

The previous prime is 73538407. The next prime is 73538419. The reversal of 73538408 is 80483537.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56580484 + 16957924 = 7522^2 + 4118^2 .

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

It is not an unprimeable number, because it can be changed into a prime (73538407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4596143 + ... + 4596158.

Almost surely, 2^73538408 is an apocalyptic number.

It is an amenable number.

73538408 is a deficient number, since it is larger than the sum of its proper divisors (64346122).

73538408 is a wasteful number, since it uses less digits than its factorization.

73538408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9192307 (or 9192303 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 73538408 is about 8575.4538072338. The cubic root of 73538408 is about 418.9588877474.

The spelling of 73538408 in words is "seventy-three million, five hundred thirty-eight thousand, four hundred eight".