349407673 has 8 divisors (see below), whose sum is σ = 354082176. Its totient is φ = 344744400.

The previous prime is 349407661. The next prime is 349407679. The reversal of 349407673 is 376704943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349407673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349407679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73303 + ... + 77923.

It is an arithmetic number, because the mean of its divisors is an integer number (44260272).

Almost surely, 2^349407673 is an apocalyptic number.

It is an amenable number.

349407673 is a deficient number, since it is larger than the sum of its proper divisors (4674503).

349407673 is an equidigital number, since it uses as much as digits as its factorization.

349407673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615.

The product of its (nonzero) digits is 381024, while the sum is 43.

The square root of 349407673 is about 18692.4496254504. The cubic root of 349407673 is about 704.3320958402.

The spelling of 349407673 in words is "three hundred forty-nine million, four hundred seven thousand, six hundred seventy-three".