1678340014 has 24 divisors (see below), whose sum is σ = 2784088800. Its totient is φ = 758130048.

The previous prime is 1678339991. The next prime is 1678340033. The reversal of 1678340014 is 4100438761.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36939 + ... + 68710.

It is an arithmetic number, because the mean of its divisors is an integer number (116003700).

Almost surely, 2^1678340014 is an apocalyptic number.

1678340014 is a deficient number, since it is larger than the sum of its proper divisors (1105748786).

1678340014 is a wasteful number, since it uses less digits than its factorization.

1678340014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105724 (or 105711 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1678340014 is about 40967.5483035048. The cubic root of 1678340014 is about 1188.3927207601.

Adding to 1678340014 its reverse (4100438761), we get a palindrome (5778778775).

The spelling of 1678340014 in words is "one billion, six hundred seventy-eight million, three hundred forty thousand, fourteen".