748139920 has 80 divisors (see below), whose sum is σ = 1901699712. Its totient is φ = 271457280.

The previous prime is 748139911. The next prime is 748139923. The reversal of 748139920 is 29931847.

748139920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (748139923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723724 + ... + 724756.

Almost surely, 2^748139920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748139920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950849856).

748139920 is an abundant number, since it is smaller than the sum of its proper divisors (1153559792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

748139920 is a wasteful number, since it uses less digits than its factorization.

748139920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 748139920 is about 27352.1465336818. The cubic root of 748139920 is about 907.8085657997.

The spelling of 748139920 in words is "seven hundred forty-eight million, one hundred thirty-nine thousand, nine hundred twenty".