8457712 has 20 divisors (see below), whose sum is σ = 16446616. Its totient is φ = 4213440.

The previous prime is 8457677. The next prime is 8457727. The reversal of 8457712 is 2177548.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4498 + ... + 6094.

Almost surely, 2^8457712 is an apocalyptic number.

It is an amenable number.

8457712 is a deficient number, since it is larger than the sum of its proper divisors (7988904).

8457712 is a wasteful number, since it uses less digits than its factorization.

8457712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1930 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 8457712 is about 2908.2145725513. The cubic root of 8457712 is about 203.7437510473.

The spelling of 8457712 in words is "eight million, four hundred fifty-seven thousand, seven hundred twelve".