7307422920 has 768 divisors, whose sum is σ = 30191616000. Its totient is φ = 1527482880.

The previous prime is 7307422909. The next prime is 7307422921. The reversal of 7307422920 is 292247037.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7307422921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 88041199 + ... + 88041281.

It is an arithmetic number, because the mean of its divisors is an integer number (39312000).

Almost surely, 2^7307422920 is an apocalyptic number.

7307422920 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 7307422920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15095808000).

7307422920 is an abundant number, since it is smaller than the sum of its proper divisors (22884193080).

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

7307422920 is a wasteful number, since it uses less digits than its factorization.

7307422920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 7307422920 is about 85483.4657697031. The cubic root of 7307422920 is about 1940.5347057648.

Adding to 7307422920 its reverse (292247037), we get a palindrome (7599669957).

The spelling of 7307422920 in words is "seven billion, three hundred seven million, four hundred twenty-two thousand, nine hundred twenty".