381740575 has 6 divisors (see below), whose sum is σ = 473358344. Its totient is φ = 305392440.

The previous prime is 381740573. The next prime is 381740651. The reversal of 381740575 is 575047183.

It is not a de Polignac number, because 381740575 - 2¹ = 381740573 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 (381740573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7634787 + ... + 7634836.

Almost surely, 2^381740575 is an apocalyptic number.

381740575 is a deficient number, since it is larger than the sum of its proper divisors (91617769).

381740575 is a wasteful number, since it uses less digits than its factorization.

381740575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15269633 (or 15269628 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 381740575 is about 19538.1824896790. The cubic root of 381740575 is about 725.4198598570.

The spelling of 381740575 in words is "three hundred eighty-one million, seven hundred forty thousand, five hundred seventy-five".