7690728 has 32 divisors (see below), whose sum is σ = 19848960. Its totient is φ = 2480640.

The previous prime is 7690721. The next prime is 7690733. The reversal of 7690728 is 8270967.

It is not an unprimeable number, because it can be changed into a prime (7690721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4425 + ... + 5912.

It is an arithmetic number, because the mean of its divisors is an integer number (620280).

Almost surely, 2^7690728 is an apocalyptic number.

It is an amenable number.

7690728 is an abundant number, since it is smaller than the sum of its proper divisors (12158232).

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

7690728 is a wasteful number, since it uses less digits than its factorization.

7690728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10377 (or 10373 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 7690728 is about 2773.2161834231. The cubic root of 7690728 is about 197.3887896041.

The spelling of 7690728 in words is "seven million, six hundred ninety thousand, seven hundred twenty-eight".