340729680 has 160 divisors (see below), whose sum is σ = 1117928448. Its totient is φ = 85708800.

The previous prime is 340729673. The next prime is 340729699. The reversal of 340729680 is 86927043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304482 + ... + 305598.

Almost surely, 2^340729680 is an apocalyptic number.

340729680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340729680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558964224).

340729680 is an abundant number, since it is smaller than the sum of its proper divisors (777198768).

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

340729680 is a wasteful number, since it uses less digits than its factorization.

340729680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 340729680 is about 18458.8645371269. The cubic root of 340729680 is about 698.4521444962.

The spelling of 340729680 in words is "three hundred forty million, seven hundred twenty-nine thousand, six hundred eighty".