8457472 has 18 divisors (see below), whose sum is σ = 16882418. Its totient is φ = 4228608.

The previous prime is 8457461. The next prime is 8457479. The reversal of 8457472 is 2747548.

It can be written as a sum of positive squares in only one way, i.e., 4393216 + 4064256 = 2096^2 + 2016^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8457479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16263 + ... + 16774.

Almost surely, 2^8457472 is an apocalyptic number.

It is an amenable number.

8457472 is a deficient number, since it is larger than the sum of its proper divisors (8424946).

8457472 is an equidigital number, since it uses as much as digits as its factorization.

8457472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33053 (or 33039 counting only the distinct ones).

The product of its digits is 62720, while the sum is 37.

The square root of 8457472 is about 2908.1733098287. The cubic root of 8457472 is about 203.7418238530.

The spelling of 8457472 in words is "eight million, four hundred fifty-seven thousand, four hundred seventy-two".