3757981568 has 64 divisors (see below), whose sum is σ = 8259246000. Its totient is φ = 1688924160.

The previous prime is 3757981543. The next prime is 3757981609. The reversal of 3757981568 is 8651897573.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110318 + ... + 140306.

Almost surely, 2^3757981568 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 3757981568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4129623000).

3757981568 is an abundant number, since it is smaller than the sum of its proper divisors (4501264432).

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

3757981568 is a wasteful number, since it uses less digits than its factorization.

3757981568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30103 (or 30091 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 59.

The square root of 3757981568 is about 61302.3781594156. The cubic root of 3757981568 is about 1554.7177202202.

The spelling of 3757981568 in words is "three billion, seven hundred fifty-seven million, nine hundred eighty-one thousand, five hundred sixty-eight".