349275077 has 4 divisors (see below), whose sum is σ = 349313580. Its totient is φ = 349236576.

The previous prime is 349275067. The next prime is 349275089. The reversal of 349275077 is 770572943.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 102596641 + 246678436 = 10129^2 + 15706^2 .

It is a cyclic number.

It is not a de Polignac number, because 349275077 - 2¹⁰ = 349274053 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 (349275007) 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, 2699 + ... + 26567.

It is an arithmetic number, because the mean of its divisors is an integer number (87328395).

Almost surely, 2^349275077 is an apocalyptic number.

It is an amenable number.

349275077 is a deficient number, since it is larger than the sum of its proper divisors (38503).

349275077 is a wasteful number, since it uses less digits than its factorization.

349275077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38502.

The product of its (nonzero) digits is 370440, while the sum is 44.

The square root of 349275077 is about 18688.9025092433. The cubic root of 349275077 is about 704.2429893877.

It can be divided in two parts, 34927 and 5077, that added together give a palindrome (40004).

The spelling of 349275077 in words is "three hundred forty-nine million, two hundred seventy-five thousand, seventy-seven".