1578472 has 32 divisors (see below), whose sum is σ = 3438720. Its totient is φ = 665280.

The previous prime is 1578469. The next prime is 1578509. The reversal of 1578472 is 2748751.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3778 + ... + 4174.

It is an arithmetic number, because the mean of its divisors is an integer number (107460).

2^1578472 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 1578472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1719360).

1578472 is an abundant number, since it is smaller than the sum of its proper divisors (1860248).

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

1578472 is a wasteful number, since it uses less digits than its factorization.

1578472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 477 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 1578472 is about 1256.3725562109. The cubic root of 1578472 is about 116.4337703096.

It can be divided in two parts, 15 and 78472, that added together give a palindrome (78487).

The spelling of 1578472 in words is "one million, five hundred seventy-eight thousand, four hundred seventy-two".