349759975 has 6 divisors (see below), whose sum is σ = 433702400. Its totient is φ = 279807960.

The previous prime is 349759967. The next prime is 349759997. The reversal of 349759975 is 579957943.

It is not a de Polignac number, because 349759975 - 2³ = 349759967 is a prime.

It is a super-2 number, since 2×349759975² = 244664080224001250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6995175 + ... + 6995224.

Almost surely, 2^349759975 is an apocalyptic number.

349759975 is a deficient number, since it is larger than the sum of its proper divisors (83942425).

349759975 is a wasteful number, since it uses less digits than its factorization.

349759975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13990409 (or 13990404 counting only the distinct ones).

The product of its digits is 10716300, while the sum is 58.

The square root of 349759975 is about 18701.8708957152. The cubic root of 349759975 is about 704.5687384731.

The spelling of 349759975 in words is "three hundred forty-nine million, seven hundred fifty-nine thousand, nine hundred seventy-five".