243473764 has 12 divisors (see below), whose sum is σ = 437595004. Its totient is φ = 118446624.

The previous prime is 243473749. The next prime is 243473773. The reversal of 243473764 is 467374342.

It can be written as a sum of positive squares in 2 ways, for example, as 165328164 + 78145600 = 12858^2 + 8840^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822399 + ... + 822694.

Almost surely, 2^243473764 is an apocalyptic number.

It is an amenable number.

243473764 is a deficient number, since it is larger than the sum of its proper divisors (194121240).

243473764 is a wasteful number, since it uses less digits than its factorization.

243473764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645134 (or 1645132 counting only the distinct ones).

The product of its digits is 338688, while the sum is 40.

The square root of 243473764 is about 15603.6458560171. The cubic root of 243473764 is about 624.4304263751.

The spelling of 243473764 in words is "two hundred forty-three million, four hundred seventy-three thousand, seven hundred sixty-four".