73405033 has 4 divisors (see below), whose sum is σ = 79051588. Its totient is φ = 67758480.

The previous prime is 73405009. The next prime is 73405039. The reversal of 73405033 is 33050437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33050437 = 7 ⋅4721491.

It can be written as a sum of positive squares in 2 ways, for example, as 3732624 + 69672409 = 1932^2 + 8347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73405033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73404989 and 73405007.

It is not an unprimeable number, because it can be changed into a prime (73405039) 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, 2823258 + ... + 2823283.

It is an arithmetic number, because the mean of its divisors is an integer number (19762897).

Almost surely, 2^73405033 is an apocalyptic number.

It is an amenable number.

73405033 is a deficient number, since it is larger than the sum of its proper divisors (5646555).

73405033 is a wasteful number, since it uses less digits than its factorization.

73405033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646554.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 73405033 is about 8567.6737216120. The cubic root of 73405033 is about 418.7054489471.

The spelling of 73405033 in words is "seventy-three million, four hundred five thousand, thirty-three".