2543672 has 8 divisors (see below), whose sum is σ = 4769400. Its totient is φ = 1271832.

The previous prime is 2543657. The next prime is 2543699. The reversal of 2543672 is 2763452.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158972 + ... + 158987.

It is an arithmetic number, because the mean of its divisors is an integer number (596175).

2^2543672 is an apocalyptic number.

It is an amenable number.

2543672 is a deficient number, since it is larger than the sum of its proper divisors (2225728).

2543672 is a wasteful number, since it uses less digits than its factorization.

2543672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317965 (or 317961 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 2543672 is about 1594.8893378539. The cubic root of 2543672 is about 136.5066167903.

The spelling of 2543672 in words is "two million, five hundred forty-three thousand, six hundred seventy-two".