7420130 has 16 divisors (see below), whose sum is σ = 13392000. Its totient is φ = 2960112.

The previous prime is 7420121. The next prime is 7420141. The reversal of 7420130 is 310247.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7420099 and 7420108.

It is an unprimeable number.

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, 4247 + ... + 5733.

It is an arithmetic number, because the mean of its divisors is an integer number (837000).

Almost surely, 2^7420130 is an apocalyptic number.

7420130 is a deficient number, since it is larger than the sum of its proper divisors (5971870).

7420130 is a wasteful number, since it uses less digits than its factorization.

7420130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 7420130 is about 2723.9915565214. The cubic root of 7420130 is about 195.0460553063.

Adding to 7420130 its reverse (310247), we get a palindrome (7730377).

The spelling of 7420130 in words is "seven million, four hundred twenty thousand, one hundred thirty".