242715976 has 8 divisors (see below), whose sum is σ = 455092470. Its totient is φ = 121357984.

The previous prime is 242715973. The next prime is 242715983. The reversal of 242715976 is 679517242.

It can be written as a sum of positive squares in only one way, i.e., 227708100 + 15007876 = 15090^2 + 3874^2 .

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

It is a super-2 number, since 2×242715976² = 117822090011265152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242715971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15169741 + ... + 15169756.

Almost surely, 2^242715976 is an apocalyptic number.

It is an amenable number.

242715976 is a deficient number, since it is larger than the sum of its proper divisors (212376494).

242715976 is a wasteful number, since it uses less digits than its factorization.

242715976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30339503 (or 30339499 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 242715976 is about 15579.3445304993. The cubic root of 242715976 is about 623.7819271398.

The spelling of 242715976 in words is "two hundred forty-two million, seven hundred fifteen thousand, nine hundred seventy-six".