243346730 has 64 divisors (see below), whose sum is σ = 493309440. Its totient is φ = 86384320.

The previous prime is 243346729. The next prime is 243346757. The reversal of 243346730 is 37643342.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 625376 + ... + 625764.

It is an arithmetic number, because the mean of its divisors is an integer number (7707960).

Almost surely, 2^243346730 is an apocalyptic number.

243346730 is an abundant number, since it is smaller than the sum of its proper divisors (249962710).

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

243346730 is a wasteful number, since it uses less digits than its factorization.

243346730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 32.

The square root of 243346730 is about 15599.5746736890. The cubic root of 243346730 is about 624.3218072869.

The spelling of 243346730 in words is "two hundred forty-three million, three hundred forty-six thousand, seven hundred thirty".