243970074 has 24 divisors (see below), whose sum is σ = 537563520. Its totient is φ = 79944648.

The previous prime is 243970073. The next prime is 243970099. The reversal of 243970074 is 470079342.

It is not an unprimeable number, because it can be changed into a prime (243970073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113802 + ... + 115925.

It is an arithmetic number, because the mean of its divisors is an integer number (22398480).

Almost surely, 2^243970074 is an apocalyptic number.

243970074 is an abundant number, since it is smaller than the sum of its proper divisors (293593446).

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

243970074 is a wasteful number, since it uses less digits than its factorization.

243970074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229794 (or 229791 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 243970074 is about 15619.5414145230. The cubic root of 243970074 is about 624.8544292439.

The spelling of 243970074 in words is "two hundred forty-three million, nine hundred seventy thousand, seventy-four".