34540427 has 2 divisors, whose sum is σ = 34540428. Its totient is φ = 34540426.

The previous prime is 34540399. The next prime is 34540463. The reversal of 34540427 is 72404543.

It is a weak prime.

It is an emirp because it is prime and its reverse (72404543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34540427 - 2⁸ = 34540171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34540427.

It is not a weakly prime, because it can be changed into another prime (34540027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17270213 + 17270214.

It is an arithmetic number, because the mean of its divisors is an integer number (17270214).

Almost surely, 2^34540427 is an apocalyptic number.

34540427 is a deficient number, since it is larger than the sum of its proper divisors (1).

34540427 is an equidigital number, since it uses as much as digits as its factorization.

34540427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 34540427 is about 5877.1104294543. The cubic root of 34540427 is about 325.6686101383.

The spelling of 34540427 in words is "thirty-four million, five hundred forty thousand, four hundred twenty-seven".