73136416 has 12 divisors (see below), whose sum is σ = 143987382. Its totient is φ = 36568192.

The previous prime is 73136407. The next prime is 73136419. The reversal of 73136416 is 61463137.

It can be written as a sum of positive squares in only one way, i.e., 41731600 + 31404816 = 6460^2 + 5604^2 .

It is a super-4 number, since 4×73136416⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (73136419) 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 as a sum of consecutive naturals, namely, 1142725 + ... + 1142788.

Almost surely, 2^73136416 is an apocalyptic number.

It is an amenable number.

73136416 is a deficient number, since it is larger than the sum of its proper divisors (70850966).

73136416 is a wasteful number, since it uses less digits than its factorization.

73136416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285523 (or 2285515 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 73136416 is about 8551.9831618169. The cubic root of 73136416 is about 418.1940904000.

The spelling of 73136416 in words is "seventy-three million, one hundred thirty-six thousand, four hundred sixteen".