7418811620 has 48 divisors (see below), whose sum is σ = 17035474176. Its totient is φ = 2691456000.

The previous prime is 7418811619. The next prime is 7418811623. The reversal of 7418811620 is 261188147.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7418811623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55700 + ... + 133940.

It is an arithmetic number, because the mean of its divisors is an integer number (354905712).

Almost surely, 2^7418811620 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 7418811620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8517737088).

7418811620 is an abundant number, since it is smaller than the sum of its proper divisors (9616662556).

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

7418811620 is a wasteful number, since it uses less digits than its factorization.

7418811620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78692 (or 78690 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 7418811620 is about 86132.5235901050. The cubic root of 7418811620 is about 1950.3450294581.

Adding to 7418811620 its reverse (261188147), we get a palindrome (7679999767).

The spelling of 7418811620 in words is "seven billion, four hundred eighteen million, eight hundred eleven thousand, six hundred twenty".