7130505 has 8 divisors (see below), whose sum is σ = 11408832. Its totient is φ = 3802928.

The previous prime is 7130489. The next prime is 7130509. The reversal of 7130505 is 5050317.

It is a happy number.

7130505 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7130505 - 2⁴ = 7130489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7130509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237669 + ... + 237698.

It is an arithmetic number, because the mean of its divisors is an integer number (1426104).

Almost surely, 2^7130505 is an apocalyptic number.

It is an amenable number.

7130505 is a deficient number, since it is larger than the sum of its proper divisors (4278327).

7130505 is a wasteful number, since it uses less digits than its factorization.

7130505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475375.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 7130505 is about 2670.3005448825. The cubic root of 7130505 is about 192.4746016977.

The spelling of 7130505 in words is "seven million, one hundred thirty thousand, five hundred five".