274720242 has 8 divisors (see below), whose sum is σ = 549440496. Its totient is φ = 91573412.

The previous prime is 274720207. The next prime is 274720267. The reversal of 274720242 is 242027472.

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

274720242 is an admirable number.

It is a super-2 number, since 2×274720242² = 150942422729077128, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 22893348 + ... + 22893359.

It is an arithmetic number, because the mean of its divisors is an integer number (68680062).

Almost surely, 2^274720242 is an apocalyptic number.

274720242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

274720242 is a wasteful number, since it uses less digits than its factorization.

274720242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45786712.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 274720242 is about 16574.6867843709. The cubic root of 274720242 is about 650.0751329325.

The spelling of 274720242 in words is "two hundred seventy-four million, seven hundred twenty thousand, two hundred forty-two".