1674386378 has 16 divisors (see below), whose sum is σ = 2877880320. Its totient is φ = 715718256.

The previous prime is 1674386359. The next prime is 1674386443. The reversal of 1674386378 is 8736834761.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150773 + ... + 161496.

It is an arithmetic number, because the mean of its divisors is an integer number (179867520).

Almost surely, 2^1674386378 is an apocalyptic number.

1674386378 is a deficient number, since it is larger than the sum of its proper divisors (1203493942).

1674386378 is a wasteful number, since it uses less digits than its factorization.

1674386378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312661.

The product of its digits is 4064256, while the sum is 53.

The square root of 1674386378 is about 40919.2665867804. The cubic root of 1674386378 is about 1187.4588284599.

The spelling of 1674386378 in words is "one billion, six hundred seventy-four million, three hundred eighty-six thousand, three hundred seventy-eight".