345783705 has 8 divisors (see below), whose sum is σ = 553253952. Its totient is φ = 184417968.

The previous prime is 345783673. The next prime is 345783731. The reversal of 345783705 is 507387543.

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

It is not a de Polignac number, because 345783705 - 2⁵ = 345783673 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11526109 + ... + 11526138.

It is an arithmetic number, because the mean of its divisors is an integer number (69156744).

Almost surely, 2^345783705 is an apocalyptic number.

It is an amenable number.

345783705 is a deficient number, since it is larger than the sum of its proper divisors (207470247).

345783705 is a wasteful number, since it uses less digits than its factorization.

345783705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23052255.

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 345783705 is about 18595.2602832012. The cubic root of 345783705 is about 701.8885769699. Note that the first 3 decimals are identical.

It can be divided in two parts, 34578 and 3705, that added together give a palindrome (38283).

The spelling of 345783705 in words is "three hundred forty-five million, seven hundred eighty-three thousand, seven hundred five".