733229891 has 4 divisors (see below), whose sum is σ = 738582072. Its totient is φ = 727877712.

The previous prime is 733229867. The next prime is 733229921. The reversal of 733229891 is 198922337.

It is a happy number.

733229891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 198922337 = 5413 ⋅36749.

It is a de Polignac number, because none of the positive numbers 2^k-733229891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (733229831) 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, 2675885 + ... + 2676158.

It is an arithmetic number, because the mean of its divisors is an integer number (184645518).

Almost surely, 2^733229891 is an apocalyptic number.

733229891 is a deficient number, since it is larger than the sum of its proper divisors (5352181).

733229891 is a wasteful number, since it uses less digits than its factorization.

733229891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352180.

The product of its digits is 163296, while the sum is 44.

The square root of 733229891 is about 27078.2180174398. The cubic root of 733229891 is about 901.7373400042.

The spelling of 733229891 in words is "seven hundred thirty-three million, two hundred twenty-nine thousand, eight hundred ninety-one".