73413136 has 10 divisors (see below), whose sum is σ = 142237982. Its totient is φ = 36706560.

The previous prime is 73413133. The next prime is 73413139. The reversal of 73413136 is 63131437.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73413133) and next prime (73413139).

It can be written as a sum of positive squares in only one way, i.e., 61716736 + 11696400 = 7856^2 + 3420^2 .

It is not an unprimeable number, because it can be changed into a prime (73413133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2294145 + ... + 2294176.

Almost surely, 2^73413136 is an apocalyptic number.

It is an amenable number.

73413136 is a deficient number, since it is larger than the sum of its proper divisors (68824846).

73413136 is a wasteful number, since it uses less digits than its factorization.

73413136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588329 (or 4588323 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The square root of 73413136 is about 8568.1465907161. The cubic root of 73413136 is about 418.7208549998.

It can be divided in two parts, 7 and 3413136, that added together give a palindrome (3413143).

The spelling of 73413136 in words is "seventy-three million, four hundred thirteen thousand, one hundred thirty-six".