8749680 has 40 divisors (see below), whose sum is σ = 27124752. Its totient is φ = 2333184.

The previous prime is 8749669. The next prime is 8749733. The reversal of 8749680 is 869478.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17989 + ... + 18468.

Almost surely, 2^8749680 is an apocalyptic number.

8749680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8749680 is an abundant number, since it is smaller than the sum of its proper divisors (18375072).

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

8749680 is a wasteful number, since it uses less digits than its factorization.

8749680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36473 (or 36467 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 8749680 is about 2957.9858011830. The cubic root of 8749680 is about 206.0617529383.

The spelling of 8749680 in words is "eight million, seven hundred forty-nine thousand, six hundred eighty".