7420772320 has 192 divisors, whose sum is σ = 19363639680. Its totient is φ = 2670796800.

The previous prime is 7420772291. The next prime is 7420772321. The reversal of 7420772320 is 232770247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420772321) 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, 16096890 + ... + 16097350.

It is an arithmetic number, because the mean of its divisors is an integer number (100852290).

Almost surely, 2^7420772320 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 7420772320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9681819840).

7420772320 is an abundant number, since it is smaller than the sum of its proper divisors (11942867360).

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

7420772320 is a wasteful number, since it uses less digits than its factorization.

7420772320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 7420772320 is about 86143.9047176293. The cubic root of 7420772320 is about 1950.5168316668.

The spelling of 7420772320 in words is "seven billion, four hundred twenty million, seven hundred seventy-two thousand, three hundred twenty".