7130406 has 16 divisors (see below), whose sum is σ = 14294448. Its totient is φ = 2371200.

The previous prime is 7130393. The next prime is 7130407. The reversal of 7130406 is 6040317.

7130406 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7130407) 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, 1986 + ... + 4266.

It is an arithmetic number, because the mean of its divisors is an integer number (893403).

Almost surely, 2^7130406 is an apocalyptic number.

7130406 is an abundant number, since it is smaller than the sum of its proper divisors (7164042).

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

7130406 is a wasteful number, since it uses less digits than its factorization.

7130406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 7130406 is about 2670.2820075790. The cubic root of 7130406 is about 192.4737109205.

The spelling of 7130406 in words is "seven million, one hundred thirty thousand, four hundred six".