7130628 has 18 divisors (see below), whose sum is σ = 18024734. Its totient is φ = 2376864.

The previous prime is 7130579. The next prime is 7130687. The reversal of 7130628 is 8260317.

7130628 is a `hidden beast` number, since 7 + 1 + 30 + 628 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6718464 + 412164 = 2592^2 + 642^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99001 + ... + 99072.

Almost surely, 2^7130628 is an apocalyptic number.

It is an amenable number.

7130628 is an abundant number, since it is smaller than the sum of its proper divisors (10894106).

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

7130628 is a wasteful number, since it uses less digits than its factorization.

7130628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198083 (or 198078 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 7130628 is about 2670.3235758986. The cubic root of 7130628 is about 192.4757084094.

The spelling of 7130628 in words is "seven million, one hundred thirty thousand, six hundred twenty-eight".