7115420 has 24 divisors (see below), whose sum is σ = 16092384. Its totient is φ = 2627136.

The previous prime is 7115417. The next prime is 7115473. The reversal of 7115420 is 245117.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 7115392 and 7115401.

It is a congruent number.

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, 13424 + ... + 13943.

It is an arithmetic number, because the mean of its divisors is an integer number (670516).

Almost surely, 2^7115420 is an apocalyptic number.

It is an amenable number.

7115420 is an abundant number, since it is smaller than the sum of its proper divisors (8976964).

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

7115420 is a wasteful number, since it uses less digits than its factorization.

7115420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27389 (or 27387 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 7115420 is about 2667.4744609836. The cubic root of 7115420 is about 192.3387754475.

The spelling of 7115420 in words is "seven million, one hundred fifteen thousand, four hundred twenty".