7748064 has 36 divisors (see below), whose sum is σ = 22034376. Its totient is φ = 2582592.

The previous prime is 7748063. The next prime is 7748077. The reversal of 7748064 is 4608477.

It is a happy number.

7748064 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 (7748063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13164 + ... + 13739.

It is an arithmetic number, because the mean of its divisors is an integer number (612066).

Almost surely, 2^7748064 is an apocalyptic number.

It is an amenable number.

7748064 is an abundant number, since it is smaller than the sum of its proper divisors (14286312).

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

7748064 is a wasteful number, since it uses less digits than its factorization.

7748064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26919 (or 26908 counting only the distinct ones).

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

The square root of 7748064 is about 2783.5344438322. The cubic root of 7748064 is about 197.8781006640.

The spelling of 7748064 in words is "seven million, seven hundred forty-eight thousand, sixty-four".