7728604 has 12 divisors (see below), whose sum is σ = 14565544. Its totient is φ = 3567024.

The previous prime is 7728601. The next prime is 7728613. The reversal of 7728604 is 4068277.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7728604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7728601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74262 + ... + 74365.

Almost surely, 2^7728604 is an apocalyptic number.

It is an amenable number.

7728604 is a deficient number, since it is larger than the sum of its proper divisors (6836940).

7728604 is a wasteful number, since it uses less digits than its factorization.

7728604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148644 (or 148642 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 7728604 is about 2780.0366904054. The cubic root of 7728604 is about 197.7122985509.

The spelling of 7728604 in words is "seven million, seven hundred twenty-eight thousand, six hundred four".