2472747 has 8 divisors (see below), whose sum is σ = 3386256. Its totient is φ = 1603872.

The previous prime is 2472737. The next prime is 2472781. The reversal of 2472747 is 7472742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2472747 - 2⁴ = 2472731 is a prime.

It is a super-2 number, since 2×2472747² = 12228955452018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2 + 4 + 7⁷ + 2¹¹ + 7⁷ + 4³ + 7⁷ .

It is not an unprimeable number, because it can be changed into a prime (2472727) 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 7 ways as a sum of consecutive naturals, for example, 11028 + ... + 11249.

It is an arithmetic number, because the mean of its divisors is an integer number (423282).

2^2472747 is an apocalyptic number.

2472747 is a deficient number, since it is larger than the sum of its proper divisors (913509).

2472747 is a wasteful number, since it uses less digits than its factorization.

2472747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22317.

The product of its digits is 21952, while the sum is 33.

The square root of 2472747 is about 1572.4970588208. The cubic root of 2472747 is about 135.2259043475.

It can be divided in two parts, 24 and 72747, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 2472747 in words is "two million, four hundred seventy-two thousand, seven hundred forty-seven".