243361072 has 20 divisors (see below), whose sum is σ = 473273280. Its totient is φ = 121226048.

The previous prime is 243361051. The next prime is 243361093. The reversal of 243361072 is 270163342.

It is an interprime number because it is at equal distance from previous prime (243361051) and next prime (243361093).

It is a super-2 number, since 2×243361072² = 118449222729978368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243361072.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23968 + ... + 32575.

It is an arithmetic number, because the mean of its divisors is an integer number (23663664).

Almost surely, 2^243361072 is an apocalyptic number.

It is an amenable number.

243361072 is a deficient number, since it is larger than the sum of its proper divisors (229912208).

243361072 is a wasteful number, since it uses less digits than its factorization.

243361072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56820 (or 56814 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 243361072 is about 15600.0343589365. The cubic root of 243361072 is about 624.3340721562.

The spelling of 243361072 in words is "two hundred forty-three million, three hundred sixty-one thousand, seventy-two".