2666672 has 10 divisors (see below), whose sum is σ = 5166708. Its totient is φ = 1333328.

The previous prime is 2666663. The next prime is 2666683. The reversal of 2666672 is 2766662.

It is a super-2 number, since 2×2666672² = 14222279111168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83318 + ... + 83349.

2^2666672 is an apocalyptic number.

It is an amenable number.

2666672 is a deficient number, since it is larger than the sum of its proper divisors (2500036).

2666672 is a wasteful number, since it uses less digits than its factorization.

2666672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166675 (or 166669 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 2666672 is about 1632.9947948478. The cubic root of 2666672 is about 138.6723473182.

The spelling of 2666672 in words is "two million, six hundred sixty-six thousand, six hundred seventy-two".