7130408 has 32 divisors (see below), whose sum is σ = 13880160. Its totient is φ = 3432000.

The previous prime is 7130407. The next prime is 7130411. The reversal of 7130408 is 8040317.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7130407) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28283 + ... + 28533.

It is an arithmetic number, because the mean of its divisors is an integer number (433755).

Almost surely, 2^7130408 is an apocalyptic number.

It is an amenable number.

7130408 is a deficient number, since it is larger than the sum of its proper divisors (6749752).

7130408 is a wasteful number, since it uses less digits than its factorization.

7130408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 7130408 is about 2670.2823820712. The cubic root of 7130408 is about 192.4737289161.

Subtracting 7130408 from its reverse (8040317), we obtain a palindrome (909909).

The spelling of 7130408 in words is "seven million, one hundred thirty thousand, four hundred eight".