2972668 has 6 divisors (see below), whose sum is σ = 5202176. Its totient is φ = 1486332.

The previous prime is 2972663. The next prime is 2972687. The reversal of 2972668 is 8662792.

It is a self number, because there is not a number n which added to its sum of digits gives 2972668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371580 + ... + 371587.

2^2972668 is an apocalyptic number.

It is an amenable number.

2972668 is a deficient number, since it is larger than the sum of its proper divisors (2229508).

2972668 is a wasteful number, since it uses less digits than its factorization.

2972668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743171 (or 743169 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 2972668 is about 1724.1426855107. The cubic root of 2972668 is about 143.7856249449.

Subtracting from 2972668 its product of digits (72576), we obtain a palindrome (2900092).

The spelling of 2972668 in words is "two million, nine hundred seventy-two thousand, six hundred sixty-eight".