305053072 has 20 divisors (see below), whose sum is σ = 591832780. Its totient is φ = 152322048.

The previous prime is 305053061. The next prime is 305053081. The reversal of 305053072 is 270350503.

It can be written as a sum of positive squares in 2 ways, for example, as 228735376 + 76317696 = 15124^2 + 8736^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93 + ... + 24700.

It is an arithmetic number, because the mean of its divisors is an integer number (29591639).

Almost surely, 2^305053072 is an apocalyptic number.

It is an amenable number.

305053072 is a deficient number, since it is larger than the sum of its proper divisors (286779708).

305053072 is a wasteful number, since it uses less digits than its factorization.

305053072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25570 (or 25564 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 305053072 is about 17465.7685774202. The cubic root of 305053072 is about 673.1705905634.

The spelling of 305053072 in words is "three hundred five million, fifty-three thousand, seventy-two".