329990742 has 48 divisors (see below), whose sum is σ = 731016000. Its totient is φ = 107557632.

The previous prime is 329990741. The next prime is 329990743. The reversal of 329990742 is 247099923.

It is an interprime number because it is at equal distance from previous prime (329990741) and next prime (329990743).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329990741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153934 + ... + 156062.

It is an arithmetic number, because the mean of its divisors is an integer number (15229500).

Almost surely, 2^329990742 is an apocalyptic number.

329990742 is an abundant number, since it is smaller than the sum of its proper divisors (401025258).

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

329990742 is a wasteful number, since it uses less digits than its factorization.

329990742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325 (or 2322 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 329990742 is about 18165.6473047343. The cubic root of 329990742 is about 691.0358606479.

The spelling of 329990742 in words is "three hundred twenty-nine million, nine hundred ninety thousand, seven hundred forty-two".