748780452 has 72 divisors (see below), whose sum is σ = 2174268096. Its totient is φ = 212837184.

The previous prime is 748780451. The next prime is 748780471. The reversal of 748780452 is 254087847.

748780452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 748780398 and 748780407.

It is not an unprimeable number, because it can be changed into a prime (748780451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42103 + ... + 57185.

It is an arithmetic number, because the mean of its divisors is an integer number (30198168).

Almost surely, 2^748780452 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 748780452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1087134048).

748780452 is an abundant number, since it is smaller than the sum of its proper divisors (1425487644).

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

748780452 is a wasteful number, since it uses less digits than its factorization.

748780452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15297 (or 15292 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 748780452 is about 27363.8530181698. The cubic root of 748780452 is about 908.0675701881.

The spelling of 748780452 in words is "seven hundred forty-eight million, seven hundred eighty thousand, four hundred fifty-two".