320768472 has 32 divisors (see below), whose sum is σ = 808243200. Its totient is φ = 106079904.

The previous prime is 320768453. The next prime is 320768473. The reversal of 320768472 is 274867023.

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

It is a self number, because there is not a number n which added to its sum of digits gives 320768472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320768473) 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, 49572 + ... + 55667.

It is an arithmetic number, because the mean of its divisors is an integer number (25257600).

Almost surely, 2^320768472 is an apocalyptic number.

It is an amenable number.

320768472 is an abundant number, since it is smaller than the sum of its proper divisors (487474728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320768472 is a wasteful number, since it uses less digits than its factorization.

320768472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105375 (or 105371 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 320768472 is about 17910.0103852566. The cubic root of 320768472 is about 684.5374695606.

The spelling of 320768472 in words is "three hundred twenty million, seven hundred sixty-eight thousand, four hundred seventy-two".