274426457 has 2 divisors, whose sum is σ = 274426458. Its totient is φ = 274426456.

The previous prime is 274426433. The next prime is 274426499. The reversal of 274426457 is 754624472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145467721 + 128958736 = 12061^2 + 11356^2 .

It is a cyclic number.

It is not a de Polignac number, because 274426457 - 2¹⁸ = 274164313 is a prime.

It is not a weakly prime, because it can be changed into another prime (274426057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137213228 + 137213229.

It is an arithmetic number, because the mean of its divisors is an integer number (137213229).

Almost surely, 2^274426457 is an apocalyptic number.

It is an amenable number.

274426457 is a deficient number, since it is larger than the sum of its proper divisors (1).

274426457 is an equidigital number, since it uses as much as digits as its factorization.

274426457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 41.

The square root of 274426457 is about 16565.8219536490. The cubic root of 274426457 is about 649.8433208162.

The spelling of 274426457 in words is "two hundred seventy-four million, four hundred twenty-six thousand, four hundred fifty-seven".