274372321 has 2 divisors, whose sum is σ = 274372322. Its totient is φ = 274372320.

The previous prime is 274372271. The next prime is 274372337. The reversal of 274372321 is 123273472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241367296 + 33005025 = 15536^2 + 5745^2 .

It is a cyclic number.

It is not a de Polignac number, because 274372321 - 2⁷ = 274372193 is a prime.

It is not a weakly prime, because it can be changed into another prime (274372381) by changing a digit.

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 as a sum of consecutive naturals, namely, 137186160 + 137186161.

It is an arithmetic number, because the mean of its divisors is an integer number (137186161).

Almost surely, 2^274372321 is an apocalyptic number.

It is an amenable number.

274372321 is a deficient number, since it is larger than the sum of its proper divisors (1).

274372321 is an equidigital number, since it uses as much as digits as its factorization.

274372321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 31.

The square root of 274372321 is about 16564.1879064444. The cubic root of 274372321 is about 649.8005865600.

The spelling of 274372321 in words is "two hundred seventy-four million, three hundred seventy-two thousand, three hundred twenty-one".