340165720 has 16 divisors (see below), whose sum is σ = 765372960. Its totient is φ = 136066272.

The previous prime is 340165691. The next prime is 340165723. The reversal of 340165720 is 27561043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340165723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4252032 + ... + 4252111.

It is an arithmetic number, because the mean of its divisors is an integer number (47835810).

Almost surely, 2^340165720 is an apocalyptic number.

It is an amenable number.

340165720 is an abundant number, since it is smaller than the sum of its proper divisors (425207240).

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

340165720 is a wasteful number, since it uses less digits than its factorization.

340165720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504154 (or 8504150 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 340165720 is about 18443.5820815806. The cubic root of 340165720 is about 698.0665831399.

The spelling of 340165720 in words is "three hundred forty million, one hundred sixty-five thousand, seven hundred twenty".