329772474 has 48 divisors (see below), whose sum is σ = 759638880. Its totient is φ = 103096800.

The previous prime is 329772473. The next prime is 329772481. The reversal of 329772474 is 474277923.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (329772473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29769 + ... + 39315.

It is an arithmetic number, because the mean of its divisors is an integer number (15825810).

Almost surely, 2^329772474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 329772474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379819440).

329772474 is an abundant number, since it is smaller than the sum of its proper divisors (429866406).

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

329772474 is a wasteful number, since it uses less digits than its factorization.

329772474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9675 (or 9672 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 329772474 is about 18159.6385977255. The cubic root of 329772474 is about 690.8834682085.

The spelling of 329772474 in words is "three hundred twenty-nine million, seven hundred seventy-two thousand, four hundred seventy-four".