748889679 has 4 divisors (see below), whose sum is σ = 998519576. Its totient is φ = 499259784.

The previous prime is 748889621. The next prime is 748889689. The reversal of 748889679 is 976988847.

748889679 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.

It is not a de Polignac number, because 748889679 - 2²⁰ = 747841103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748889689) 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, 124814944 + ... + 124814949.

It is an arithmetic number, because the mean of its divisors is an integer number (249629894).

Almost surely, 2^748889679 is an apocalyptic number.

748889679 is a deficient number, since it is larger than the sum of its proper divisors (249629897).

748889679 is a wasteful number, since it uses less digits than its factorization.

748889679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249629896.

The product of its digits is 48771072, while the sum is 66.

The square root of 748889679 is about 27365.8487717812. The cubic root of 748889679 is about 908.1117222818. Note that the first 3 decimals are identical.

The spelling of 748889679 in words is "seven hundred forty-eight million, eight hundred eighty-nine thousand, six hundred seventy-nine".