8642472 has 32 divisors (see below), whose sum is σ = 22135680. Its totient is φ = 2810240.

The previous prime is 8642467. The next prime is 8642489. The reversal of 8642472 is 2742468.

It is an unprimeable number.

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, 3408 + ... + 5375.

It is an arithmetic number, because the mean of its divisors is an integer number (691740).

Almost surely, 2^8642472 is an apocalyptic number.

8642472 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

8642472 is an abundant number, since it is smaller than the sum of its proper divisors (13493208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8642472 is a wasteful number, since it uses less digits than its factorization.

8642472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833 (or 8829 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 8642472 is about 2939.8081570062. The cubic root of 8642472 is about 205.2166814599.

The spelling of 8642472 in words is "eight million, six hundred forty-two thousand, four hundred seventy-two".