328470673 has 4 divisors (see below), whose sum is σ = 329099248. Its totient is φ = 327842100.

The previous prime is 328470671. The next prime is 328470683. The reversal of 328470673 is 376074823.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 328470673 - 2¹ = 328470671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328470671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313503 + ... + 314548.

It is an arithmetic number, because the mean of its divisors is an integer number (82274812).

Almost surely, 2^328470673 is an apocalyptic number.

It is an amenable number.

328470673 is a deficient number, since it is larger than the sum of its proper divisors (628575).

328470673 is an equidigital number, since it uses as much as digits as its factorization.

328470673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628574.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 328470673 is about 18123.7599024044. The cubic root of 328470673 is about 689.9731649579.

The spelling of 328470673 in words is "three hundred twenty-eight million, four hundred seventy thousand, six hundred seventy-three".