242718477 has 8 divisors (see below), whose sum is σ = 327524064. Its totient is φ = 159862608.

The previous prime is 242718461. The next prime is 242718491. The reversal of 242718477 is 774817242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242718477 - 2⁴ = 242718461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242718677) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 487138 + ... + 487635.

It is an arithmetic number, because the mean of its divisors is an integer number (40940508).

Almost surely, 2^242718477 is an apocalyptic number.

It is an amenable number.

242718477 is a deficient number, since it is larger than the sum of its proper divisors (84805587).

242718477 is an equidigital number, since it uses as much as digits as its factorization.

242718477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974859.

The product of its digits is 175616, while the sum is 42.

The square root of 242718477 is about 15579.4247968274. The cubic root of 242718477 is about 623.7840696622.

The spelling of 242718477 in words is "two hundred forty-two million, seven hundred eighteen thousand, four hundred seventy-seven".