748409520 has 80 divisors (see below), whose sum is σ = 2322922752. Its totient is φ = 199330560.

The previous prime is 748409507. The next prime is 748409527. The reversal of 748409520 is 25904847.

748409520 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 (748409527) 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, 279709 + ... + 282371.

Almost surely, 2^748409520 is an apocalyptic number.

It is an amenable number.

748409520 is an abundant number, since it is smaller than the sum of its proper divisors (1574513232).

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

748409520 is a wasteful number, since it uses less digits than its factorization.

748409520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850 (or 3844 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 748409520 is about 27357.0744049871. The cubic root of 748409520 is about 907.9175987893.

The spelling of 748409520 in words is "seven hundred forty-eight million, four hundred nine thousand, five hundred twenty".