345782670 has 16 divisors (see below), whose sum is σ = 829878480. Its totient is φ = 92208704.

The previous prime is 345782641. The next prime is 345782687. The reversal of 345782670 is 76287543.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent 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, 5763015 + ... + 5763074.

It is an arithmetic number, because the mean of its divisors is an integer number (51867405).

Almost surely, 2^345782670 is an apocalyptic number.

345782670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345782670 is an abundant number, since it is smaller than the sum of its proper divisors (484095810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345782670 is a wasteful number, since it uses less digits than its factorization.

345782670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11526099.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 345782670 is about 18595.2324535081. The cubic root of 345782670 is about 701.8878766714.

The spelling of 345782670 in words is "three hundred forty-five million, seven hundred eighty-two thousand, six hundred seventy".