73256833 has 4 divisors (see below), whose sum is σ = 78891988. Its totient is φ = 67621680.

The previous prime is 73256803. The next prime is 73256861. The reversal of 73256833 is 33865237.

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 18378369 + 54878464 = 4287^2 + 7408^2 .

It is a cyclic number.

It is not a de Polignac number, because 73256833 - 2¹⁷ = 73125761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73256792 and 73256801.

It is not an unprimeable number, because it can be changed into a prime (73256803) 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, 2817558 + ... + 2817583.

It is an arithmetic number, because the mean of its divisors is an integer number (19722997).

Almost surely, 2^73256833 is an apocalyptic number.

It is an amenable number.

73256833 is a deficient number, since it is larger than the sum of its proper divisors (5635155).

73256833 is a wasteful number, since it uses less digits than its factorization.

73256833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635154.

The product of its digits is 90720, while the sum is 37.

The square root of 73256833 is about 8559.0205631252. The cubic root of 73256833 is about 418.4234793889.

The spelling of 73256833 in words is "seventy-three million, two hundred fifty-six thousand, eight hundred thirty-three".