274349477 has 2 divisors, whose sum is σ = 274349478. Its totient is φ = 274349476.

The previous prime is 274349459. The next prime is 274349507. The reversal of 274349477 is 774943472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274200481 + 148996 = 16559^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 274349477 - 2¹⁴ = 274333093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274349407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137174738 + 137174739.

It is an arithmetic number, because the mean of its divisors is an integer number (137174739).

Almost surely, 2^274349477 is an apocalyptic number.

It is an amenable number.

274349477 is a deficient number, since it is larger than the sum of its proper divisors (1).

274349477 is an equidigital number, since it uses as much as digits as its factorization.

274349477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 47.

The square root of 274349477 is about 16563.4983321761. The cubic root of 274349477 is about 649.7825521162.

The spelling of 274349477 in words is "two hundred seventy-four million, three hundred forty-nine thousand, four hundred seventy-seven".