274354378 has 4 divisors (see below), whose sum is σ = 411531570. Its totient is φ = 137177188.

The previous prime is 274354361. The next prime is 274354397. The reversal of 274354378 is 873453472.

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

It can be written as a sum of positive squares in only one way, i.e., 250177489 + 24176889 = 15817^2 + 4917^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68588593 + ... + 68588596.

Almost surely, 2^274354378 is an apocalyptic number.

274354378 is a deficient number, since it is larger than the sum of its proper divisors (137177192).

274354378 is a wasteful number, since it uses less digits than its factorization.

274354378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137177191.

The product of its digits is 564480, while the sum is 43.

The square root of 274354378 is about 16563.6462773147. The cubic root of 274354378 is about 649.7864213482.

It can be divided in two parts, 27435 and 4378, that added together give a palindrome (31813).

The spelling of 274354378 in words is "two hundred seventy-four million, three hundred fifty-four thousand, three hundred seventy-eight".