1674386379 has 12 divisors (see below), whose sum is σ = 2418925600. Its totient is φ = 1116087984.

The previous prime is 1674386359. The next prime is 1674386443. The reversal of 1674386379 is 9736834761.

It is not a de Polignac number, because 1674386379 - 2⁷ = 1674386251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1674386309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84942 + ... + 102780.

Almost surely, 2^1674386379 is an apocalyptic number.

1674386379 is a deficient number, since it is larger than the sum of its proper divisors (744539221).

1674386379 is a wasteful number, since it uses less digits than its factorization.

1674386379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28274 (or 28271 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 1674386379 is about 40919.2665989995. The cubic root of 1674386379 is about 1187.4588286963.

The spelling of 1674386379 in words is "one billion, six hundred seventy-four million, three hundred eighty-six thousand, three hundred seventy-nine".