3772120880 has 80 divisors (see below), whose sum is σ = 9609054624. Its totient is φ = 1365719040.

The previous prime is 3772120861. The next prime is 3772120931. The reversal of 3772120880 is 880212773.

It is a tau number, because it is divible by the number of its divisors (80).

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, 195842 + ... + 214238.

Almost surely, 2^3772120880 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 3772120880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4804527312).

3772120880 is an abundant number, since it is smaller than the sum of its proper divisors (5836933744).

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

3772120880 is a wasteful number, since it uses less digits than its factorization.

3772120880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18654 (or 18648 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 3772120880 is about 61417.5942218514. The cubic root of 3772120880 is about 1556.6651421092.

The spelling of 3772120880 in words is "three billion, seven hundred seventy-two million, one hundred twenty thousand, eight hundred eighty".