329725705 has 8 divisors (see below), whose sum is σ = 395785152. Its totient is φ = 263704368.

The previous prime is 329725673. The next prime is 329725741. The reversal of 329725705 is 507527923.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 329725705 - 2⁵ = 329725673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15484 + ... + 29986.

It is an arithmetic number, because the mean of its divisors is an integer number (49473144).

Almost surely, 2^329725705 is an apocalyptic number.

It is an amenable number.

329725705 is a deficient number, since it is larger than the sum of its proper divisors (66059447).

329725705 is a wasteful number, since it uses less digits than its factorization.

329725705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19055.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 329725705 is about 18158.3508337073. The cubic root of 329725705 is about 690.8508058335.

The spelling of 329725705 in words is "three hundred twenty-nine million, seven hundred twenty-five thousand, seven hundred five".