3781622292 has 96 divisors (see below), whose sum is σ = 10366900992. Its totient is φ = 1050556416.

The previous prime is 3781622279. The next prime is 3781622297. The reversal of 3781622292 is 2922261873.

3781622292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781622297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499318 + ... + 506834.

It is an arithmetic number, because the mean of its divisors is an integer number (107988552).

Almost surely, 2^3781622292 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 3781622292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5183450496).

3781622292 is an abundant number, since it is smaller than the sum of its proper divisors (6585278700).

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

3781622292 is a wasteful number, since it uses less digits than its factorization.

3781622292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7697 (or 7695 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 3781622292 is about 61494.8964711707. The cubic root of 3781622292 is about 1557.9710489901.

The spelling of 3781622292 in words is "three billion, seven hundred eighty-one million, six hundred twenty-two thousand, two hundred ninety-two".