7696728 has 64 divisors (see below), whose sum is σ = 23032800. Its totient is φ = 2367360.

The previous prime is 7696721. The next prime is 7696739. The reversal of 7696728 is 8276967.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7696721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438 + ... + 4178.

Almost surely, 2^7696728 is an apocalyptic number.

7696728 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7696728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11516400).

7696728 is an abundant number, since it is smaller than the sum of its proper divisors (15336072).

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

7696728 is a wasteful number, since it uses less digits than its factorization.

7696728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769 (or 2759 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 7696728 is about 2774.2977489808. The cubic root of 7696728 is about 197.4401078877.

The spelling of 7696728 in words is "seven million, six hundred ninety-six thousand, seven hundred twenty-eight".