381075712 has 18 divisors (see below), whose sum is σ = 760663358. Its totient is φ = 190537728.

The previous prime is 381075679. The next prime is 381075713. The reversal of 381075712 is 217570183.

It can be written as a sum of positive squares in only one way, i.e., 374190336 + 6885376 = 19344^2 + 2624^2 .

It is not an unprimeable number, because it can be changed into a prime (381075713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744033 + ... + 744544.

Almost surely, 2^381075712 is an apocalyptic number.

381075712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

381075712 is a deficient number, since it is larger than the sum of its proper divisors (379587646).

381075712 is an equidigital number, since it uses as much as digits as its factorization.

381075712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488593 (or 1488579 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 381075712 is about 19521.1606212336. The cubic root of 381075712 is about 724.9984697550.

The spelling of 381075712 in words is "three hundred eighty-one million, seventy-five thousand, seven hundred twelve".