748705688 has 8 divisors (see below), whose sum is σ = 1403823180. Its totient is φ = 374352840.

The previous prime is 748705681. The next prime is 748705691. The reversal of 748705688 is 886507847.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748705681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46794098 + ... + 46794113.

Almost surely, 2^748705688 is an apocalyptic number.

It is an amenable number.

748705688 is a deficient number, since it is larger than the sum of its proper divisors (655117492).

748705688 is a wasteful number, since it uses less digits than its factorization.

748705688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93588217 (or 93588213 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 53.

The square root of 748705688 is about 27362.4868752824. The cubic root of 748705688 is about 908.0373463651.

The spelling of 748705688 in words is "seven hundred forty-eight million, seven hundred five thousand, six hundred eighty-eight".