243034572 has 24 divisors (see below), whose sum is σ = 618633792. Its totient is φ = 73646800.

The previous prime is 243034549. The next prime is 243034591. The reversal of 243034572 is 275430342.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920454 + ... + 920717.

It is an arithmetic number, because the mean of its divisors is an integer number (25776408).

Almost surely, 2^243034572 is an apocalyptic number.

243034572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243034572 is an abundant number, since it is smaller than the sum of its proper divisors (375599220).

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

243034572 is a wasteful number, since it uses less digits than its factorization.

243034572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841189 (or 1841187 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 243034572 is about 15589.5661260986. The cubic root of 243034572 is about 624.0547391986.

The spelling of 243034572 in words is "two hundred forty-three million, thirty-four thousand, five hundred seventy-two".