340729970 has 32 divisors (see below), whose sum is σ = 701568000. Its totient is φ = 116715456.

The previous prime is 340729943. The next prime is 340729973. The reversal of 340729970 is 79927043.

It is not an unprimeable number, because it can be changed into a prime (340729973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140831 + ... + 143229.

It is an arithmetic number, because the mean of its divisors is an integer number (21924000).

Almost surely, 2^340729970 is an apocalyptic number.

340729970 is an abundant number, since it is smaller than the sum of its proper divisors (360838030).

340729970 is a wasteful number, since it uses less digits than its factorization.

340729970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 340729970 is about 18458.8723924296. The cubic root of 340729970 is about 698.4523426504.

The spelling of 340729970 in words is "three hundred forty million, seven hundred twenty-nine thousand, nine hundred seventy".