7648704 has 126 divisors (see below), whose sum is σ = 25597104. Its totient is φ = 2177280.

The previous prime is 7648703. The next prime is 7648727. The reversal of 7648704 is 4078467.

It is a happy number.

7648704 is a `hidden beast` number, since 7 + 648 + 7 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (126).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7648703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28089 + ... + 28359.

Almost surely, 2^7648704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7648704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12798552).

7648704 is an abundant number, since it is smaller than the sum of its proper divisors (17948400).

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

7648704 is a wasteful number, since it uses less digits than its factorization.

7648704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 7648704 is about 2765.6290423699. The cubic root of 7648704 is about 197.0286060481.

The spelling of 7648704 in words is "seven million, six hundred forty-eight thousand, seven hundred four".