346734947 has 4 divisors (see below), whose sum is σ = 373406880. Its totient is φ = 320063016.

The previous prime is 346734943. The next prime is 346734967. The reversal of 346734947 is 749437643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749437643 = 61 ⋅12285863.

It is not a de Polignac number, because 346734947 - 2² = 346734943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346734943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13335947 + ... + 13335972.

It is an arithmetic number, because the mean of its divisors is an integer number (93351720).

Almost surely, 2^346734947 is an apocalyptic number.

346734947 is a deficient number, since it is larger than the sum of its proper divisors (26671933).

346734947 is a wasteful number, since it uses less digits than its factorization.

346734947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26671932.

The product of its digits is 1524096, while the sum is 47.

The square root of 346734947 is about 18620.8202558319. The cubic root of 346734947 is about 702.5316134252.

The spelling of 346734947 in words is "three hundred forty-six million, seven hundred thirty-four thousand, nine hundred forty-seven".