2257672 has 16 divisors (see below), whose sum is σ = 4332240. Its totient is φ = 1102416.

The previous prime is 2257667. The next prime is 2257687. The reversal of 2257672 is 2767522.

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, 2938 + ... + 3625.

It is an arithmetic number, because the mean of its divisors is an integer number (270765).

2^2257672 is an apocalyptic number.

It is an amenable number.

2257672 is a deficient number, since it is larger than the sum of its proper divisors (2074568).

2257672 is a wasteful number, since it uses less digits than its factorization.

2257672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6612 (or 6608 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 2257672 is about 1502.5551570575. Note that the first 3 decimals coincide. The cubic root of 2257672 is about 131.1858365139.

The spelling of 2257672 in words is "two million, two hundred fifty-seven thousand, six hundred seventy-two".