3782718456 has 96 divisors (see below), whose sum is σ = 10730227200. Its totient is φ = 1109275200.

The previous prime is 3782718439. The next prime is 3782718481. The reversal of 3782718456 is 6548172873.

It is a junction number, because it is equal to n+sod(n) for n = 3782718399 and 3782718408.

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, 69015 + ... + 111033.

It is an arithmetic number, because the mean of its divisors is an integer number (111773200).

Almost surely, 2^3782718456 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 3782718456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5365113600).

3782718456 is an abundant number, since it is smaller than the sum of its proper divisors (6947508744).

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

3782718456 is a wasteful number, since it uses less digits than its factorization.

3782718456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42081 (or 42066 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 3782718456 is about 61503.8084674437. The cubic root of 3782718456 is about 1558.1215687637.

The spelling of 3782718456 in words is "three billion, seven hundred eighty-two million, seven hundred eighteen thousand, four hundred fifty-six".