345729673 has 8 divisors (see below), whose sum is σ = 348304896. Its totient is φ = 343162800.

The previous prime is 345729647. The next prime is 345729689. The reversal of 345729673 is 376927543.

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

It is a cyclic number.

It is not a de Polignac number, because 345729673 - 2¹⁷ = 345598601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345729613) 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, 98163 + ... + 101623.

It is an arithmetic number, because the mean of its divisors is an integer number (43538112).

Almost surely, 2^345729673 is an apocalyptic number.

It is an amenable number.

345729673 is a deficient number, since it is larger than the sum of its proper divisors (2575223).

345729673 is a wasteful number, since it uses less digits than its factorization.

345729673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175.

The product of its digits is 952560, while the sum is 46.

The square root of 345729673 is about 18593.8073831047. The cubic root of 345729673 is about 701.8520161386.

The spelling of 345729673 in words is "three hundred forty-five million, seven hundred twenty-nine thousand, six hundred seventy-three".