7488864 has 36 divisors (see below), whose sum is σ = 21297276. Its totient is φ = 2496192.

The previous prime is 7488863. The next prime is 7488881. The reversal of 7488864 is 4688847.

7488864 is nontrivially palindromic in base 15.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7488863) 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, 12714 + ... + 13289.

It is an arithmetic number, because the mean of its divisors is an integer number (591591).

Almost surely, 2^7488864 is an apocalyptic number.

It is an amenable number.

7488864 is an abundant number, since it is smaller than the sum of its proper divisors (13808412).

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

7488864 is a wasteful number, since it uses less digits than its factorization.

7488864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26019 (or 26008 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 7488864 is about 2736.5788861277. The cubic root of 7488864 is about 195.6464541452.

The spelling of 7488864 in words is "seven million, four hundred eighty-eight thousand, eight hundred sixty-four".