329706500672 has 28 divisors (see below), whose sum is σ = 654280350060. Its totient is φ = 164848459776.

The previous prime is 329706500653. The next prime is 329706500723. The reversal of 329706500672 is 276005607923.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5699646016 + 324006854656 = 75496^2 + 569216^2 .

It is a super-3 number, since 3×329706500672³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3382928 + ... + 3479024.

Almost surely, 2^329706500672 is an apocalyptic number.

329706500672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

329706500672 is a deficient number, since it is larger than the sum of its proper divisors (324573849388).

329706500672 is an equidigital number, since it uses as much as digits as its factorization.

329706500672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149718 (or 149708 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 329706500672 in words is "three hundred twenty-nine billion, seven hundred six million, five hundred thousand, six hundred seventy-two".