8649772 has 12 divisors (see below), whose sum is σ = 15659280. Its totient is φ = 4175696.

The previous prime is 8649763. The next prime is 8649791. The reversal of 8649772 is 2779468.

8649772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam 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, 37168 + ... + 37399.

It is an arithmetic number, because the mean of its divisors is an integer number (1304940).

Almost surely, 2^8649772 is an apocalyptic number.

It is an amenable number.

8649772 is a deficient number, since it is larger than the sum of its proper divisors (7009508).

8649772 is a wasteful number, since it uses less digits than its factorization.

8649772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74600 (or 74598 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 8649772 is about 2941.0494725523. The cubic root of 8649772 is about 205.2744450326.

The spelling of 8649772 in words is "eight million, six hundred forty-nine thousand, seven hundred seventy-two".