242927479 has 4 divisors (see below), whose sum is σ = 245431984. Its totient is φ = 240422976.

The previous prime is 242927453. The next prime is 242927491. The reversal of 242927479 is 974729242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242927479 - 2⁷ = 242927351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242937479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252107 + ... + 1252300.

It is an arithmetic number, because the mean of its divisors is an integer number (61357996).

Almost surely, 2^242927479 is an apocalyptic number.

242927479 is a deficient number, since it is larger than the sum of its proper divisors (2504505).

242927479 is an equidigital number, since it uses as much as digits as its factorization.

242927479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504504.

The product of its digits is 508032, while the sum is 46.

The square root of 242927479 is about 15586.1309823830. The cubic root of 242927479 is about 623.9630626489.

The spelling of 242927479 in words is "two hundred forty-two million, nine hundred twenty-seven thousand, four hundred seventy-nine".