7340856420 has 96 divisors (see below), whose sum is σ = 21949240320. Its totient is φ = 1829076480.

The previous prime is 7340856361. The next prime is 7340856461. The reversal of 7340856420 is 246580437.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14107 + ... + 121986.

It is an arithmetic number, because the mean of its divisors is an integer number (228637920).

Almost surely, 2^7340856420 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 7340856420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10974620160).

7340856420 is an abundant number, since it is smaller than the sum of its proper divisors (14608383900).

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

7340856420 is a wasteful number, since it uses less digits than its factorization.

7340856420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136165 (or 136163 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 7340856420 is about 85678.7979607557. The cubic root of 7340856420 is about 1943.4896997129.

The spelling of 7340856420 in words is "seven billion, three hundred forty million, eight hundred fifty-six thousand, four hundred twenty".