345371670 has 96 divisors (see below), whose sum is σ = 1029817152. Its totient is φ = 78667776.

The previous prime is 345371639. The next prime is 345371671. The reversal of 345371670 is 76173543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345371671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221614 + ... + 223166.

It is an arithmetic number, because the mean of its divisors is an integer number (10727262).

Almost surely, 2^345371670 is an apocalyptic number.

345371670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 345371670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514908576).

345371670 is an abundant number, since it is smaller than the sum of its proper divisors (684445482).

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

345371670 is a wasteful number, since it uses less digits than its factorization.

345371670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1923 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 345371670 is about 18584.1779479212. The cubic root of 345371670 is about 701.6096766026.

The spelling of 345371670 in words is "three hundred forty-five million, three hundred seventy-one thousand, six hundred seventy".