2672906 has 4 divisors (see below), whose sum is σ = 4009362. Its totient is φ = 1336452.

The previous prime is 2672903. The next prime is 2672921. The reversal of 2672906 is 6092762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2544025 + 128881 = 1595^2 + 359^2 .

It is not an unprimeable number, because it can be changed into a prime (2672903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668225 + ... + 668228.

2^2672906 is an apocalyptic number.

2672906 is a deficient number, since it is larger than the sum of its proper divisors (1336456).

2672906 is a wasteful number, since it uses less digits than its factorization.

2672906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336455.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 2672906 is about 1634.9024435727. The cubic root of 2672906 is about 138.7803234322.

The spelling of 2672906 in words is "two million, six hundred seventy-two thousand, nine hundred six".