7645028 has 12 divisors (see below), whose sum is σ = 13414380. Its totient is φ = 3812352.

The previous prime is 7645007. The next prime is 7645061. The reversal of 7645028 is 8205467.

7645028 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7171684 + 473344 = 2678^2 + 688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7644985 and 7645003.

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, 701 + ... + 3972.

It is an arithmetic number, because the mean of its divisors is an integer number (1117865).

Almost surely, 2^7645028 is an apocalyptic number.

It is an amenable number.

7645028 is a deficient number, since it is larger than the sum of its proper divisors (5769352).

7645028 is a wasteful number, since it uses less digits than its factorization.

7645028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086 (or 5084 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 7645028 is about 2764.9643759007. The cubic root of 7645028 is about 196.9970367252.

The spelling of 7645028 in words is "seven million, six hundred forty-five thousand, twenty-eight".