321076772 has 12 divisors (see below), whose sum is σ = 562032156. Its totient is φ = 160496160.

The previous prime is 321076771. The next prime is 321076783. The reversal of 321076772 is 277670123.

It can be written as a sum of positive squares in 2 ways, for example, as 169885156 + 151191616 = 13034^2 + 12296^2 .

It is not an unprimeable number, because it can be changed into a prime (321076771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11822 + ... + 27962.

It is an arithmetic number, because the mean of its divisors is an integer number (46836013).

Almost surely, 2^321076772 is an apocalyptic number.

It is an amenable number.

321076772 is a deficient number, since it is larger than the sum of its proper divisors (240955384).

321076772 is a wasteful number, since it uses less digits than its factorization.

321076772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21118 (or 21116 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 321076772 is about 17918.6152366750. The cubic root of 321076772 is about 684.7567090258.

The spelling of 321076772 in words is "three hundred twenty-one million, seventy-six thousand, seven hundred seventy-two".