73828418 has 4 divisors (see below), whose sum is σ = 110742630. Its totient is φ = 36914208.

The previous prime is 73828397. The next prime is 73828451. The reversal of 73828418 is 81482837.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70845889 + 2982529 = 8417^2 + 1727^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18457103 + ... + 18457106.

Almost surely, 2^73828418 is an apocalyptic number.

73828418 is a deficient number, since it is larger than the sum of its proper divisors (36914212).

73828418 is a wasteful number, since it uses less digits than its factorization.

73828418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36914211.

The product of its digits is 86016, while the sum is 41.

The square root of 73828418 is about 8592.3464781164. The cubic root of 73828418 is about 419.5089082442.

The spelling of 73828418 in words is "seventy-three million, eight hundred twenty-eight thousand, four hundred eighteen".