38071782 has 144 divisors (see below), whose sum is σ = 106509312. Its totient is φ = 9972720.

The previous prime is 38071771. The next prime is 38071783. The reversal of 38071782 is 28717083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38071783) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1228107 + ... + 1228137.

It is an arithmetic number, because the mean of its divisors is an integer number (739648).

Almost surely, 2^38071782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38071782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53254656).

38071782 is an abundant number, since it is smaller than the sum of its proper divisors (68437530).

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

38071782 is a wasteful number, since it uses less digits than its factorization.

38071782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 38071782 is about 6170.2335450127. The cubic root of 38071782 is about 336.4090999087.

The spelling of 38071782 in words is "thirty-eight million, seventy-one thousand, seven hundred eighty-two".