7245443520 has 1008 divisors, whose sum is σ = 32394997440. Its totient is φ = 1504935936.

The previous prime is 7245443519. The next prime is 7245443539. The reversal of 7245443520 is 253445427.

It is a tau number, because it is divible by the number of its divisors (1008).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 249842866 + ... + 249842894.

Almost surely, 2^7245443520 is an apocalyptic number.

7245443520 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 7245443520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16197498720).

7245443520 is an abundant number, since it is smaller than the sum of its proper divisors (25149553920).

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

7245443520 is an equidigital number, since it uses as much as digits as its factorization.

7245443520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 36.

The square root of 7245443520 is about 85120.1710524597. The cubic root of 7245443520 is about 1935.0327739176.

Adding to 7245443520 its reverse (253445427), we get a palindrome (7498888947).

The spelling of 7245443520 in words is "seven billion, two hundred forty-five million, four hundred forty-three thousand, five hundred twenty".