325220072 has 16 divisors (see below), whose sum is σ = 622762560. Its totient is φ = 159150064.

The previous prime is 325220057. The next prime is 325220099. The reversal of 325220072 is 270022523.

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, 432098 + ... + 432849.

It is an arithmetic number, because the mean of its divisors is an integer number (38922660).

Almost surely, 2^325220072 is an apocalyptic number.

It is an amenable number.

325220072 is a deficient number, since it is larger than the sum of its proper divisors (297542488).

325220072 is a wasteful number, since it uses less digits than its factorization.

325220072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865000 (or 864996 counting only the distinct ones).

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

The square root of 325220072 is about 18033.8590434771. The cubic root of 325220072 is about 687.6895852688.

Adding to 325220072 its reverse (270022523), we get a palindrome (595242595).

The spelling of 325220072 in words is "three hundred twenty-five million, two hundred twenty thousand, seventy-two".