2472689 has 4 divisors (see below), whose sum is σ = 2487156. Its totient is φ = 2458224.

The previous prime is 2472683. The next prime is 2472697. The reversal of 2472689 is 9862742.

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

It can be written as a sum of positive squares in 2 ways, for example, as 935089 + 1537600 = 967^2 + 1240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2472689 is a prime.

It is a super-2 number, since 2×2472689² = 12228381781442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2472683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6974 + ... + 7319.

It is an arithmetic number, because the mean of its divisors is an integer number (621789).

2^2472689 is an apocalyptic number.

It is an amenable number.

2472689 is a deficient number, since it is larger than the sum of its proper divisors (14467).

2472689 is a wasteful number, since it uses less digits than its factorization.

2472689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14466.

The product of its digits is 48384, while the sum is 38.

The square root of 2472689 is about 1572.4786167068. The cubic root of 2472689 is about 135.2248470667.

The spelling of 2472689 in words is "two million, four hundred seventy-two thousand, six hundred eighty-nine".