1543672 has 16 divisors (see below), whose sum is σ = 3117240. Its totient is φ = 712416.

The previous prime is 1543649. The next prime is 1543687. The reversal of 1543672 is 2763451.

It is a self number, because there is not a number n which added to its sum of digits gives 1543672.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7318 + ... + 7525.

2^1543672 is an apocalyptic number.

It is an amenable number.

1543672 is an abundant number, since it is smaller than the sum of its proper divisors (1573568).

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

1543672 is a wasteful number, since it uses less digits than its factorization.

1543672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14862 (or 14858 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 1543672 is about 1242.4459746806. The cubic root of 1543672 is about 115.5717463069.

The spelling of 1543672 in words is "one million, five hundred forty-three thousand, six hundred seventy-two".