7289628233 has 8 divisors (see below), whose sum is σ = 7427010888. Its totient is φ = 7153259904.

The previous prime is 7289628197. The next prime is 7289628259. The reversal of 7289628233 is 3328269827.

It can be written as a sum of positive squares in 4 ways, for example, as 2865782089 + 4423846144 = 53533^2 + 66512^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7289628233 - 2⁸ = 7289627977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7289622233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239066 + ... + 267827.

It is an arithmetic number, because the mean of its divisors is an integer number (928376361).

Almost surely, 2^7289628233 is an apocalyptic number.

7289628233 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

7289628233 is a deficient number, since it is larger than the sum of its proper divisors (137382655).

7289628233 is a wasteful number, since it uses less digits than its factorization.

7289628233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507163.

The product of its digits is 1741824, while the sum is 50.

The square root of 7289628233 is about 85379.3197033099. The cubic root of 7289628233 is about 1938.9582596568.

The spelling of 7289628233 in words is "seven billion, two hundred eighty-nine million, six hundred twenty-eight thousand, two hundred thirty-three".