7645545600 has 384 divisors, whose sum is σ = 31399418880. Its totient is φ = 1588531200.

The previous prime is 7645545599. The next prime is 7645545613. The reversal of 7645545600 is 65455467.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 734029 + ... + 744371.

It is an arithmetic number, because the mean of its divisors is an integer number (81769320).

Almost surely, 2^7645545600 is an apocalyptic number.

7645545600 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 7645545600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15699709440).

7645545600 is an abundant number, since it is smaller than the sum of its proper divisors (23753873280).

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

7645545600 is a wasteful number, since it uses less digits than its factorization.

7645545600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10388 (or 10371 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 7645545600 is about 87438.8106049024. The cubic root of 7645545600 is about 1970.0148246284.

The spelling of 7645545600 in words is "seven billion, six hundred forty-five million, five hundred forty-five thousand, six hundred".