1473664 has 32 divisors (see below), whose sum is σ = 3044700. Its totient is φ = 709632.

The previous prime is 1473649. The next prime is 1473671. The reversal of 1473664 is 4663741.

It can be written as a sum of positive squares in 2 ways, for example, as 1459264 + 14400 = 1208^2 + 120^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an Ulam number.

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, 3514 + ... + 3910.

2^1473664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1473664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522350).

1473664 is an abundant number, since it is smaller than the sum of its proper divisors (1571036).

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

1473664 is an equidigital number, since it uses as much as digits as its factorization.

1473664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 428 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 1473664 is about 1213.9456330495. The cubic root of 1473664 is about 113.7975271345.

The spelling of 1473664 in words is "one million, four hundred seventy-three thousand, six hundred sixty-four".