73618834 has 4 divisors (see below), whose sum is σ = 110428254. Its totient is φ = 36809416.

The previous prime is 73618819. The next prime is 73618847. The reversal of 73618834 is 43881637.

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., 73530625 + 88209 = 8575^2 + 297^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18404707 + ... + 18404710.

Almost surely, 2^73618834 is an apocalyptic number.

73618834 is a deficient number, since it is larger than the sum of its proper divisors (36809420).

73618834 is a wasteful number, since it uses less digits than its factorization.

73618834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36809419.

The product of its digits is 96768, while the sum is 40.

The square root of 73618834 is about 8580.1418403194. The cubic root of 73618834 is about 419.1115649320. Note that the first 3 decimals are identical.

The spelling of 73618834 in words is "seventy-three million, six hundred eighteen thousand, eight hundred thirty-four".