7918020 has 192 divisors, whose sum is σ = 28385280. Its totient is φ = 1814400.

The previous prime is 7917997. The next prime is 7918081. The reversal of 7918020 is 208197.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

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 63 ways as a sum of consecutive naturals, for example, 184119 + ... + 184161.

It is an arithmetic number, because the mean of its divisors is an integer number (147840).

Almost surely, 2^7918020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7918020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14192640).

7918020 is an abundant number, since it is smaller than the sum of its proper divisors (20467260).

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

7918020 is a wasteful number, since it uses less digits than its factorization.

7918020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 7918020 is about 2813.8976527230. The cubic root of 7918020 is about 199.3144863732.

The spelling of 7918020 in words is "seven million, nine hundred eighteen thousand, twenty".