7426622720 has 576 divisors, whose sum is σ = 22887567360. Its totient is φ = 2270822400.

The previous prime is 7426622719. The next prime is 7426622729. The reversal of 7426622720 is 272266247.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7426622729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 104600285 + ... + 104600355.

It is an arithmetic number, because the mean of its divisors is an integer number (39735360).

Almost surely, 2^7426622720 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 7426622720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11443783680).

7426622720 is an abundant number, since it is smaller than the sum of its proper divisors (15460944640).

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

7426622720 is a wasteful number, since it uses less digits than its factorization.

7426622720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 7426622720 is about 86177.8551601280. The cubic root of 7426622720 is about 1951.0292808510.

Adding to 7426622720 its reverse (272266247), we get a palindrome (7698888967).

It can be divided in two parts, 74266227 and 20, that added together give a palindrome (74266247).

The spelling of 7426622720 in words is "seven billion, four hundred twenty-six million, six hundred twenty-two thousand, seven hundred twenty".