7224765408 has 192 divisors, whose sum is σ = 24575040000. Its totient is φ = 2064134016.

The previous prime is 7224765377. The next prime is 7224765413. The reversal of 7224765408 is 8045674227.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284163 + ... + 308541.

It is an arithmetic number, because the mean of its divisors is an integer number (127995000).

Almost surely, 2^7224765408 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 7224765408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12287520000).

7224765408 is an abundant number, since it is smaller than the sum of its proper divisors (17350274592).

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

7224765408 is a wasteful number, since it uses less digits than its factorization.

7224765408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24419 (or 24391 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 7224765408 is about 84998.6200358571. The cubic root of 7224765408 is about 1933.1901929167.

The spelling of 7224765408 in words is "seven billion, two hundred twenty-four million, seven hundred sixty-five thousand, four hundred eight".