7553720064 has 144 divisors (see below), whose sum is σ = 22147017984. Its totient is φ = 2266521600.

The previous prime is 7553720039. The next prime is 7553720071. The reversal of 7553720064 is 4600273557.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865804 + ... + 874484.

It is an arithmetic number, because the mean of its divisors is an integer number (153798736).

Almost surely, 2^7553720064 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 7553720064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11073508992).

7553720064 is an abundant number, since it is smaller than the sum of its proper divisors (14593297920).

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

7553720064 is a wasteful number, since it uses less digits than its factorization.

7553720064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8814 (or 8800 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 39.

The square root of 7553720064 is about 86912.1399115221. The cubic root of 7553720064 is about 1962.0961941113.

The spelling of 7553720064 in words is "seven billion, five hundred fifty-three million, seven hundred twenty thousand, sixty-four".