7640788 has 12 divisors (see below), whose sum is σ = 13454560. Its totient is φ = 3796632.

The previous prime is 7640777. The next prime is 7640821. The reversal of 7640788 is 8870467.

7640788 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 7640788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5208 + ... + 6511.

Almost surely, 2^7640788 is an apocalyptic number.

It is an amenable number.

7640788 is a deficient number, since it is larger than the sum of its proper divisors (5813772).

7640788 is a wasteful number, since it uses less digits than its factorization.

7640788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11886 (or 11884 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 7640788 is about 2764.1975327389. The cubic root of 7640788 is about 196.9606112254.

The spelling of 7640788 in words is "seven million, six hundred forty thousand, seven hundred eighty-eight".