381740527 has 6 divisors (see below), whose sum is σ = 444065568. Its totient is φ = 327206124.

The previous prime is 381740521. The next prime is 381740573. The reversal of 381740527 is 725047183.

It is not a de Polignac number, because 381740527 - 2³ = 381740519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381740521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3895263 + ... + 3895360.

It is an arithmetic number, because the mean of its divisors is an integer number (74010928).

Almost surely, 2^381740527 is an apocalyptic number.

381740527 is a deficient number, since it is larger than the sum of its proper divisors (62325041).

381740527 is an equidigital number, since it uses as much as digits as its factorization.

381740527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7790637 (or 7790630 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 381740527 is about 19538.1812613150. The cubic root of 381740527 is about 725.4198294523.

It can be divided in two parts, 3817 and 40527, that added together give a palindrome (44344).

The spelling of 381740527 in words is "three hundred eighty-one million, seven hundred forty thousand, five hundred twenty-seven".