8743481 has 4 divisors (see below), whose sum is σ = 8752512. Its totient is φ = 8734452.

The previous prime is 8743459. The next prime is 8743489. The reversal of 8743481 is 1843478.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8743481 - 2⁶ = 8743417 is a prime.

It is a super-2 number, since 2×8743481² = 152896919994722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8743489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2861 + ... + 5066.

It is an arithmetic number, because the mean of its divisors is an integer number (2188128).

Almost surely, 2^8743481 is an apocalyptic number.

It is an amenable number.

8743481 is a deficient number, since it is larger than the sum of its proper divisors (9031).

8743481 is a wasteful number, since it uses less digits than its factorization.

8743481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9030.

The product of its digits is 21504, while the sum is 35.

The square root of 8743481 is about 2956.9377741170. The cubic root of 8743481 is about 206.0130776880.

The spelling of 8743481 in words is "eight million, seven hundred forty-three thousand, four hundred eighty-one".