381173073 has 4 divisors (see below), whose sum is σ = 508230768. Its totient is φ = 254115380.

The previous prime is 381173063. The next prime is 381173083. The reversal of 381173073 is 370371183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (381173063) and next prime (381173083).

It is a cyclic number.

It is not a de Polignac number, because 381173073 - 2⁴ = 381173057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381173063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63528843 + ... + 63528848.

It is an arithmetic number, because the mean of its divisors is an integer number (127057692).

Almost surely, 2^381173073 is an apocalyptic number.

It is an amenable number.

381173073 is a deficient number, since it is larger than the sum of its proper divisors (127057695).

381173073 is a wasteful number, since it uses less digits than its factorization.

381173073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127057694.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 381173073 is about 19523.6541917747. The cubic root of 381173073 is about 725.0602077625.

The spelling of 381173073 in words is "three hundred eighty-one million, one hundred seventy-three thousand, seventy-three".