243070028 has 6 divisors (see below), whose sum is σ = 425372556. Its totient is φ = 121535012.

The previous prime is 243070019. The next prime is 243070067. The reversal of 243070028 is 820070342.

It is a junction number, because it is equal to n+sod(n) for n = 243069979 and 243070006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30383750 + ... + 30383757.

It is an arithmetic number, because the mean of its divisors is an integer number (70895426).

Almost surely, 2^243070028 is an apocalyptic number.

It is an amenable number.

243070028 is a deficient number, since it is larger than the sum of its proper divisors (182302528).

243070028 is a wasteful number, since it uses less digits than its factorization.

243070028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60767511 (or 60767509 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 243070028 is about 15590.7032554661. The cubic root of 243070028 is about 624.0850852364.

The spelling of 243070028 in words is "two hundred forty-three million, seventy thousand, twenty-eight".