748755217 has 8 divisors (see below), whose sum is σ = 868492736. Its totient is φ = 632210832.

The previous prime is 748755209. The next prime is 748755223. The reversal of 748755217 is 712557847.

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 748755217 - 2³ = 748755209 is a prime.

It is a super-3 number, since 3×748755217³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748755257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797778 + ... + 798715.

It is an arithmetic number, because the mean of its divisors is an integer number (108561592).

Almost surely, 2^748755217 is an apocalyptic number.

It is an amenable number.

748755217 is a deficient number, since it is larger than the sum of its proper divisors (119737519).

748755217 is a wasteful number, since it uses less digits than its factorization.

748755217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596567.

The product of its digits is 548800, while the sum is 46.

The square root of 748755217 is about 27363.3919132844. The cubic root of 748755217 is about 908.0573690036.

The spelling of 748755217 in words is "seven hundred forty-eight million, seven hundred fifty-five thousand, two hundred seventeen".