349305734 has 4 divisors (see below), whose sum is σ = 523958604. Its totient is φ = 174652866.

The previous prime is 349305707. The next prime is 349305757. The reversal of 349305734 is 437503943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 437503943 = 2797 ⋅156419.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87326432 + ... + 87326435.

It is an arithmetic number, because the mean of its divisors is an integer number (130989651).

Almost surely, 2^349305734 is an apocalyptic number.

349305734 is a deficient number, since it is larger than the sum of its proper divisors (174652870).

349305734 is a wasteful number, since it uses less digits than its factorization.

349305734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174652869.

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 349305734 is about 18689.7226838709. The cubic root of 349305734 is about 704.2635933444.

The spelling of 349305734 in words is "three hundred forty-nine million, three hundred five thousand, seven hundred thirty-four".