457326647 has 2 divisors, whose sum is σ = 457326648. Its totient is φ = 457326646.

The previous prime is 457326643. The next prime is 457326671. The reversal of 457326647 is 746623754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457326647 - 2² = 457326643 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 457326598 and 457326607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457326643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228663323 + 228663324.

It is an arithmetic number, because the mean of its divisors is an integer number (228663324).

Almost surely, 2^457326647 is an apocalyptic number.

457326647 is a deficient number, since it is larger than the sum of its proper divisors (1).

457326647 is an equidigital number, since it uses as much as digits as its factorization.

457326647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 44.

The square root of 457326647 is about 21385.1969128180. The cubic root of 457326647 is about 770.4459366649.

The spelling of 457326647 in words is "four hundred fifty-seven million, three hundred twenty-six thousand, six hundred forty-seven".