320352473 has 8 divisors (see below), whose sum is σ = 378742080. Its totient is φ = 265119120.

The previous prime is 320352469. The next prime is 320352499. The reversal of 320352473 is 374253023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320352473 - 2² = 320352469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320352463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788843 + ... + 789248.

It is an arithmetic number, because the mean of its divisors is an integer number (47342760).

Almost surely, 2^320352473 is an apocalyptic number.

It is an amenable number.

320352473 is a deficient number, since it is larger than the sum of its proper divisors (58389607).

320352473 is a wasteful number, since it uses less digits than its factorization.

320352473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578127.

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 320352473 is about 17898.3930284258. The cubic root of 320352473 is about 684.2414200010.

The spelling of 320352473 in words is "three hundred twenty million, three hundred fifty-two thousand, four hundred seventy-three".