378175049 has 4 divisors (see below), whose sum is σ = 432200064. Its totient is φ = 324150036.

The previous prime is 378175037. The next prime is 378175093. The reversal of 378175049 is 940571873.

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, and also an emirpimes, since its reverse is a distinct semiprime: 940571873 = 743 ⋅1265911.

It is not a de Polignac number, because 378175049 - 2⁴ = 378175033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378175009) 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, 27012497 + ... + 27012510.

It is an arithmetic number, because the mean of its divisors is an integer number (108050016).

Almost surely, 2^378175049 is an apocalyptic number.

It is an amenable number.

378175049 is a deficient number, since it is larger than the sum of its proper divisors (54025015).

378175049 is an equidigital number, since it uses as much as digits as its factorization.

378175049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54025014.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 378175049 is about 19446.7233486775. The cubic root of 378175049 is about 723.1542739311.

The spelling of 378175049 in words is "three hundred seventy-eight million, one hundred seventy-five thousand, forty-nine".