3457427 has 2 divisors, whose sum is σ = 3457428. Its totient is φ = 3457426.

The previous prime is 3457417. The next prime is 3457453. The reversal of 3457427 is 7247543.

It is a weak prime.

It is an emirp because it is prime and its reverse (7247543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3457427 - 2¹⁰ = 3456403 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3457393 and 3457402.

It is not a weakly prime, because it can be changed into another prime (3457417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1728713 + 1728714.

It is an arithmetic number, because the mean of its divisors is an integer number (1728714).

Almost surely, 2^3457427 is an apocalyptic number.

3457427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3457427 is an equidigital number, since it uses as much as digits as its factorization.

3457427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 32.

The square root of 3457427 is about 1859.4157684606. The cubic root of 3457427 is about 151.2113322367.

The spelling of 3457427 in words is "three million, four hundred fifty-seven thousand, four hundred twenty-seven".