379768645 has 4 divisors (see below), whose sum is σ = 455722380. Its totient is φ = 303814912.

The previous prime is 379768639. The next prime is 379768699. The reversal of 379768645 is 546867973.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546867973 = 271 ⋅2017963.

It can be written as a sum of positive squares in 2 ways, for example, as 187169761 + 192598884 = 13681^2 + 13878^2 .

It is a cyclic number.

It is not a de Polignac number, because 379768645 - 2⁹ = 379768133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37976860 + ... + 37976869.

It is an arithmetic number, because the mean of its divisors is an integer number (113930595).

Almost surely, 2^379768645 is an apocalyptic number.

It is an amenable number.

379768645 is a deficient number, since it is larger than the sum of its proper divisors (75953735).

379768645 is an equidigital number, since it uses as much as digits as its factorization.

379768645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75953734.

The product of its digits is 7620480, while the sum is 55.

The square root of 379768645 is about 19487.6536555841. The cubic root of 379768645 is about 724.1686197254.

The spelling of 379768645 in words is "three hundred seventy-nine million, seven hundred sixty-eight thousand, six hundred forty-five".