2473681 has 8 divisors (see below), whose sum is σ = 2843264. Its totient is φ = 2108160.

The previous prime is 2473663. The next prime is 2473697. The reversal of 2473681 is 1863742.

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

It is a cyclic number.

It is not a de Polignac number, because 2473681 - 2⁹ = 2473169 is a prime.

It is a super-2 number, since 2×2473681² = 12238195379522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 4⁹ + 7³ + 3¹² + 6⁸ + 8 + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2473631) 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, 436 + ... + 2266.

It is an arithmetic number, because the mean of its divisors is an integer number (355408).

2^2473681 is an apocalyptic number.

It is an amenable number.

2473681 is a deficient number, since it is larger than the sum of its proper divisors (369583).

2473681 is a wasteful number, since it uses less digits than its factorization.

2473681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031.

The product of its digits is 8064, while the sum is 31.

The square root of 2473681 is about 1572.7940106702. The cubic root of 2473681 is about 135.2429279378.

The spelling of 2473681 in words is "two million, four hundred seventy-three thousand, six hundred eighty-one".