7420214840 has 32 divisors (see below), whose sum is σ = 16697988000. Its totient is φ = 2967640704.

The previous prime is 7420214821. The next prime is 7420214849. The reversal of 7420214840 is 484120247.

It is a junction number, because it is equal to n+sod(n) for n = 7420214797 and 7420214806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420214849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434381 + ... + 451139.

It is an arithmetic number, because the mean of its divisors is an integer number (521812125).

Almost surely, 2^7420214840 is an apocalyptic number.

It is an amenable number.

7420214840 is an abundant number, since it is smaller than the sum of its proper divisors (9277773160).

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

7420214840 is a wasteful number, since it uses less digits than its factorization.

7420214840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27839 (or 27835 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 7420214840 is about 86140.6689084778. The cubic root of 7420214840 is about 1950.4679867350.

The spelling of 7420214840 in words is "seven billion, four hundred twenty million, two hundred fourteen thousand, eight hundred forty".