73900033 has 4 divisors (see below), whose sum is σ = 76448340. Its totient is φ = 71351728.

The previous prime is 73900031. The next prime is 73900039. The reversal of 73900033 is 33000937.

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 50936769 + 22963264 = 7137^2 + 4792^2 .

It is a cyclic number.

It is not a de Polignac number, because 73900033 - 2¹ = 73900031 is a prime.

It is a super-2 number, since 2×73900033² = 10922429754802178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73899980 and 73900007.

It is not an unprimeable number, because it can be changed into a prime (73900031) 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, 1274110 + ... + 1274167.

It is an arithmetic number, because the mean of its divisors is an integer number (19112085).

Almost surely, 2^73900033 is an apocalyptic number.

It is an amenable number.

73900033 is a deficient number, since it is larger than the sum of its proper divisors (2548307).

73900033 is a wasteful number, since it uses less digits than its factorization.

73900033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548306.

The product of its (nonzero) digits is 1701, while the sum is 25.

The square root of 73900033 is about 8596.5128395181. The cubic root of 73900033 is about 419.6445083395.

The spelling of 73900033 in words is "seventy-three million, nine hundred thousand, thirty-three".