6749608 has 8 divisors (see below), whose sum is σ = 12655530. Its totient is φ = 3374800.

The previous prime is 6749593. The next prime is 6749621. The reversal of 6749608 is 8069476.

It can be written as a sum of positive squares in only one way, i.e., 6749604 + 4 = 2598^2 + 2^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421843 + ... + 421858.

Almost surely, 2^6749608 is an apocalyptic number.

It is an amenable number.

6749608 is a deficient number, since it is larger than the sum of its proper divisors (5905922).

6749608 is a wasteful number, since it uses less digits than its factorization.

6749608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843707 (or 843703 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6749608 is about 2598.0007698228. Note that the first 3 decimals coincide. The cubic root of 6749608 is about 188.9844989760.

The spelling of 6749608 in words is "six million, seven hundred forty-nine thousand, six hundred eight".