6749604 has 27 divisors (see below), whose sum is σ = 17100993. Its totient is φ = 2244672.

The previous prime is 6749593. The next prime is 6749621. The reversal of 6749604 is 4069476.

The square root of 6749604 is 2598.

It is a perfect power (a square), and thus also a powerful number.

6749604 is a `hidden beast` number, since 6 + 7 + 49 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 5992704 = 870^2 + 2448^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15372 + ... + 15804.

Almost surely, 2^6749604 is an apocalyptic number.

6749604 is the 2598-th square number.

It is an amenable number.

6749604 is an abundant number, since it is smaller than the sum of its proper divisors (10351389).

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

6749604 is a wasteful number, since it uses less digits than its factorization.

6749604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The cubic root of 6749604 is about 188.9844616435.

Multiplying 6749604 by its sum of digits (36), we get a square (242985744 = 15588²).

6749604 divided by its sum of digits (36) gives a square (187489 = 433²).

The spelling of 6749604 in words is "six million, seven hundred forty-nine thousand, six hundred four".