7641628 has 12 divisors (see below), whose sum is σ = 13430032. Its totient is φ = 3804480.

The previous prime is 7641611. The next prime is 7641637. The reversal of 7641628 is 8261467.

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 junction number, because it is equal to n+sod(n) for n = 7641593 and 7641602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000 + ... + 4927.

Almost surely, 2^7641628 is an apocalyptic number.

It is an amenable number.

7641628 is a deficient number, since it is larger than the sum of its proper divisors (5788404).

7641628 is a wasteful number, since it uses less digits than its factorization.

7641628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172 (or 8170 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 7641628 is about 2764.3494713947. The cubic root of 7641628 is about 196.9678286682.

The spelling of 7641628 in words is "seven million, six hundred forty-one thousand, six hundred twenty-eight".