34742387 has 2 divisors, whose sum is σ = 34742388. Its totient is φ = 34742386.

The previous prime is 34742369. The next prime is 34742437. The reversal of 34742387 is 78324743.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34742387 - 2²² = 30548083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34742387.

It is not a weakly prime, because it can be changed into another prime (34742347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17371193 + 17371194.

It is an arithmetic number, because the mean of its divisors is an integer number (17371194).

Almost surely, 2^34742387 is an apocalyptic number.

34742387 is a deficient number, since it is larger than the sum of its proper divisors (1).

34742387 is an equidigital number, since it uses as much as digits as its factorization.

34742387 is an odious number, because the sum of its binary digits is odd.

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

The square root of 34742387 is about 5894.2672996735. The cubic root of 34742387 is about 326.3021118247.

The spelling of 34742387 in words is "thirty-four million, seven hundred forty-two thousand, three hundred eighty-seven".