242877740 has 24 divisors (see below), whose sum is σ = 582906912. Its totient is φ = 83272320.

The previous prime is 242877683. The next prime is 242877751. The reversal of 242877740 is 47778242.

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 7 ways as a sum of consecutive naturals, for example, 867281 + ... + 867560.

It is an arithmetic number, because the mean of its divisors is an integer number (24287788).

Almost surely, 2^242877740 is an apocalyptic number.

242877740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242877740 is an abundant number, since it is smaller than the sum of its proper divisors (340029172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242877740 is a wasteful number, since it uses less digits than its factorization.

242877740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734857 (or 1734855 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 41.

The square root of 242877740 is about 15584.5352834148. The cubic root of 242877740 is about 623.9204746068.

The spelling of 242877740 in words is "two hundred forty-two million, eight hundred seventy-seven thousand, seven hundred forty".