3720521088 has 192 divisors, whose sum is σ = 11077297920. Its totient is φ = 1197711360.

The previous prime is 3720521069. The next prime is 3720521117. The reversal of 3720521088 is 8801250273.

3720521088 is a `hidden beast` number, since 37 + 20 + 521 + 0 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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 23 ways as a sum of consecutive naturals, for example, 8140956 + ... + 8141412.

It is an arithmetic number, because the mean of its divisors is an integer number (57694260).

Almost surely, 2^3720521088 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 3720521088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5538648960).

3720521088 is an abundant number, since it is smaller than the sum of its proper divisors (7356776832).

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

3720521088 is a wasteful number, since it uses less digits than its factorization.

3720521088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 3720521088 is about 60996.0743654868. The cubic root of 3720521088 is about 1549.5345238424.

The spelling of 3720521088 in words is "three billion, seven hundred twenty million, five hundred twenty-one thousand, eighty-eight".