326712945 has 32 divisors (see below), whose sum is σ = 567971712. Its totient is φ = 159409152.

The previous prime is 326712941. The next prime is 326712959. The reversal of 326712945 is 549217623.

It is not a de Polignac number, because 326712945 - 2² = 326712941 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (326712941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14622 + ... + 29448.

It is an arithmetic number, because the mean of its divisors is an integer number (17749116).

Almost surely, 2^326712945 is an apocalyptic number.

It is an amenable number.

326712945 is a deficient number, since it is larger than the sum of its proper divisors (241258767).

326712945 is a wasteful number, since it uses less digits than its factorization.

326712945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14961.

The product of its digits is 90720, while the sum is 39.

The square root of 326712945 is about 18075.2024884923. The cubic root of 326712945 is about 688.7402239273.

The spelling of 326712945 in words is "three hundred twenty-six million, seven hundred twelve thousand, nine hundred forty-five".