755238993 has 8 divisors (see below), whose sum is σ = 1017367008. Its totient is φ = 498301824.

The previous prime is 755238937. The next prime is 755238997. The reversal of 755238993 is 399832557.

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

It is not a de Polignac number, because 755238993 - 2⁶ = 755238929 is a prime.

It is a super-3 number, since 3×755238993³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (755238997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297371 + ... + 1297952.

It is an arithmetic number, because the mean of its divisors is an integer number (127170876).

Almost surely, 2^755238993 is an apocalyptic number.

It is an amenable number.

755238993 is a deficient number, since it is larger than the sum of its proper divisors (262128015).

755238993 is a wasteful number, since it uses less digits than its factorization.

755238993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595423.

The product of its digits is 2041200, while the sum is 51.

The square root of 755238993 is about 27481.6119068733. The cubic root of 755238993 is about 910.6709189056.

The spelling of 755238993 in words is "seven hundred fifty-five million, two hundred thirty-eight thousand, nine hundred ninety-three".