7421026620 has 96 divisors (see below), whose sum is σ = 23819475456. Its totient is φ = 1691078400.

The previous prime is 7421026523. The next prime is 7421026621. The reversal of 7421026620 is 266201247.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421026621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112330 + ... + 165710.

It is an arithmetic number, because the mean of its divisors is an integer number (248119536).

Almost surely, 2^7421026620 is an apocalyptic number.

7421026620 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7421026620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11909737728).

7421026620 is an abundant number, since it is smaller than the sum of its proper divisors (16398448836).

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

7421026620 is a wasteful number, since it uses less digits than its factorization.

7421026620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53731 (or 53729 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 7421026620 is about 86145.3807235188. The cubic root of 7421026620 is about 1950.5391119517.

Adding to 7421026620 its reverse (266201247), we get a palindrome (7687227867).

The spelling of 7421026620 in words is "seven billion, four hundred twenty-one million, twenty-six thousand, six hundred twenty".