34427387 has 2 divisors, whose sum is σ = 34427388. Its totient is φ = 34427386.

The previous prime is 34427383. The next prime is 34427401. The reversal of 34427387 is 78372443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34427387 - 2² = 34427383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34427387.

It is not a weakly prime, because it can be changed into another prime (34427383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17213693 + 17213694.

It is an arithmetic number, because the mean of its divisors is an integer number (17213694).

Almost surely, 2^34427387 is an apocalyptic number.

34427387 is a deficient number, since it is larger than the sum of its proper divisors (1).

34427387 is an equidigital number, since it uses as much as digits as its factorization.

34427387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 38.

The square root of 34427387 is about 5867.4855773150. The cubic root of 34427387 is about 325.3129514137.

The spelling of 34427387 in words is "thirty-four million, four hundred twenty-seven thousand, three hundred eighty-seven".