73893133 has 4 divisors (see below), whose sum is σ = 73922940. Its totient is φ = 73863328.

The previous prime is 73893121. The next prime is 73893163. The reversal of 73893133 is 33139837.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67272804 + 6620329 = 8202^2 + 2573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73893133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73893092 and 73893101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73893103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10810 + ... + 16267.

It is an arithmetic number, because the mean of its divisors is an integer number (18480735).

Almost surely, 2^73893133 is an apocalyptic number.

It is an amenable number.

73893133 is a deficient number, since it is larger than the sum of its proper divisors (29807).

73893133 is a wasteful number, since it uses less digits than its factorization.

73893133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29806.

The product of its digits is 40824, while the sum is 37.

The square root of 73893133 is about 8596.1115046281. Note that the first 3 decimals coincide. The cubic root of 73893133 is about 419.6314472843.

The spelling of 73893133 in words is "seventy-three million, eight hundred ninety-three thousand, one hundred thirty-three".