34734391 has 4 divisors (see below), whose sum is σ = 34764984. Its totient is φ = 34703800.

The previous prime is 34734389. The next prime is 34734463. The reversal of 34734391 is 19343743.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19343743 = 47 ⋅411569.

It is a cyclic number.

It is not a de Polignac number, because 34734391 - 2¹ = 34734389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34704391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13525 + ... + 15886.

It is an arithmetic number, because the mean of its divisors is an integer number (8691246).

Almost surely, 2^34734391 is an apocalyptic number.

34734391 is a deficient number, since it is larger than the sum of its proper divisors (30593).

34734391 is a wasteful number, since it uses less digits than its factorization.

34734391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30592.

The product of its digits is 27216, while the sum is 34.

The square root of 34734391 is about 5893.5889744705. The cubic root of 34734391 is about 326.2770769696.

The spelling of 34734391 in words is "thirty-four million, seven hundred thirty-four thousand, three hundred ninety-one".