274427890 has 32 divisors (see below), whose sum is σ = 553449024. Its totient is φ = 97093440.

The previous prime is 274427873. The next prime is 274427917. The reversal of 274427890 is 98724472.

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 15 ways as a sum of consecutive naturals, for example, 29644 + ... + 37783.

It is an arithmetic number, because the mean of its divisors is an integer number (17295282).

Almost surely, 2^274427890 is an apocalyptic number.

274427890 is an abundant number, since it is smaller than the sum of its proper divisors (279021134).

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

274427890 is a wasteful number, since it uses less digits than its factorization.

274427890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67482.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 274427890 is about 16565.8652052949. The cubic root of 274427890 is about 649.8444519315.

The spelling of 274427890 in words is "two hundred seventy-four million, four hundred twenty-seven thousand, eight hundred ninety".