320572004 has 6 divisors (see below), whose sum is σ = 561001014. Its totient is φ = 160286000.

The previous prime is 320572001. The next prime is 320572039. The reversal of 320572004 is 400275023.

It can be written as a sum of positive squares in only one way, i.e., 165071104 + 155500900 = 12848^2 + 12470^2 .

It is not an unprimeable number, because it can be changed into a prime (320572001) 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 as a sum of consecutive naturals, namely, 40071497 + ... + 40071504.

It is an arithmetic number, because the mean of its divisors is an integer number (93500169).

Almost surely, 2^320572004 is an apocalyptic number.

It is an amenable number.

320572004 is a deficient number, since it is larger than the sum of its proper divisors (240429010).

320572004 is a wasteful number, since it uses less digits than its factorization.

320572004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80143005 (or 80143003 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 320572004 is about 17904.5246795328. The cubic root of 320572004 is about 684.3976831969.

The spelling of 320572004 in words is "three hundred twenty million, five hundred seventy-two thousand, four".