345783704 has 64 divisors (see below), whose sum is σ = 772200000. Its totient is φ = 142023168.

The previous prime is 345783673. The next prime is 345783731. The reversal of 345783704 is 407387543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241262 + ... + 242690.

It is an arithmetic number, because the mean of its divisors is an integer number (12065625).

Almost surely, 2^345783704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345783704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386100000).

345783704 is an abundant number, since it is smaller than the sum of its proper divisors (426416296).

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

345783704 is a wasteful number, since it uses less digits than its factorization.

345783704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 345783704 is about 18595.2602563126. The cubic root of 345783704 is about 701.8885762933. Note that the first 3 decimals are identical.

The spelling of 345783704 in words is "three hundred forty-five million, seven hundred eighty-three thousand, seven hundred four".