8472641 has 4 divisors (see below), whose sum is σ = 8745984. Its totient is φ = 8199300.

The previous prime is 8472631. The next prime is 8472649. The reversal of 8472641 is 1462748.

8472641 is nontrivially palindromic in base 6.

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.

It is a cyclic number.

It is not a de Polignac number, because 8472641 - 2¹⁸ = 8210497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8472598 and 8472607.

It is not an unprimeable number, because it can be changed into a prime (8472649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136625 + ... + 136686.

It is an arithmetic number, because the mean of its divisors is an integer number (2186496).

Almost surely, 2^8472641 is an apocalyptic number.

It is an amenable number.

8472641 is a deficient number, since it is larger than the sum of its proper divisors (273343).

8472641 is a wasteful number, since it uses less digits than its factorization.

8472641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273342.

The product of its digits is 10752, while the sum is 32.

The square root of 8472641 is about 2910.7801359773. The cubic root of 8472641 is about 203.8635589633.

The spelling of 8472641 in words is "eight million, four hundred seventy-two thousand, six hundred forty-one".