7661028 has 24 divisors (see below), whose sum is σ = 18817120. Its totient is φ = 2419200.

The previous prime is 7660993. The next prime is 7661029. The reversal of 7661028 is 8201667.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7660986 and 7661004.

It is not an unprimeable number, because it can be changed into a prime (7661029) 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, 16573 + ... + 17028.

Almost surely, 2^7661028 is an apocalyptic number.

It is an amenable number.

7661028 is an abundant number, since it is smaller than the sum of its proper divisors (11156092).

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

7661028 is a wasteful number, since it uses less digits than its factorization.

7661028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33627 (or 33625 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 7661028 is about 2767.8562101381. The cubic root of 7661028 is about 197.1343702651.

The spelling of 7661028 in words is "seven million, six hundred sixty-one thousand, twenty-eight".