303912740 has 48 divisors (see below), whose sum is σ = 678376944. Its totient is φ = 113971200.

The previous prime is 303912683. The next prime is 303912751. The reversal of 303912740 is 47219303.

303912740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2334784 + 301577956 = 1528^2 + 17366^2 .

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 93950 + ... + 97130.

It is an arithmetic number, because the mean of its divisors is an integer number (14132853).

Almost surely, 2^303912740 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 303912740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339188472).

303912740 is an abundant number, since it is smaller than the sum of its proper divisors (374464204).

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

303912740 is a wasteful number, since it uses less digits than its factorization.

303912740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488 (or 3486 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 303912740 is about 17433.0932424513. The cubic root of 303912740 is about 672.3307405599.

The spelling of 303912740 in words is "three hundred three million, nine hundred twelve thousand, seven hundred forty".