427372349 has 2 divisors, whose sum is σ = 427372350. Its totient is φ = 427372348.

The previous prime is 427372327. The next prime is 427372357. The reversal of 427372349 is 943273724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372760249 + 54612100 = 19307^2 + 7390^2 .

It is a cyclic number.

It is not a de Polignac number, because 427372349 - 2⁸ = 427372093 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 (427372849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213686174 + 213686175.

It is an arithmetic number, because the mean of its divisors is an integer number (213686175).

Almost surely, 2^427372349 is an apocalyptic number.

It is an amenable number.

427372349 is a deficient number, since it is larger than the sum of its proper divisors (1).

427372349 is an equidigital number, since it uses as much as digits as its factorization.

427372349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 41.

The square root of 427372349 is about 20672.9859720361. The cubic root of 427372349 is about 753.2436398073.

The spelling of 427372349 in words is "four hundred twenty-seven million, three hundred seventy-two thousand, three hundred forty-nine".