242976728 has 8 divisors (see below), whose sum is σ = 455581380. Its totient is φ = 121488360.

The previous prime is 242976709. The next prime is 242976739. The reversal of 242976728 is 827679242.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15186038 + ... + 15186053.

Almost surely, 2^242976728 is an apocalyptic number.

It is an amenable number.

242976728 is a deficient number, since it is larger than the sum of its proper divisors (212604652).

242976728 is a wasteful number, since it uses less digits than its factorization.

242976728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30372097 (or 30372093 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 242976728 is about 15587.7108004992. The cubic root of 242976728 is about 624.0052254110.

The spelling of 242976728 in words is "two hundred forty-two million, nine hundred seventy-six thousand, seven hundred twenty-eight".