1678973012 has 12 divisors (see below), whose sum is σ = 3006533376. Its totient is φ = 819963480.

The previous prime is 1678972993. The next prime is 1678973041. The reversal of 1678973012 is 2103798761.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4880564 + ... + 4880907.

It is an arithmetic number, because the mean of its divisors is an integer number (250544448).

Almost surely, 2^1678973012 is an apocalyptic number.

It is an amenable number.

1678973012 is a deficient number, since it is larger than the sum of its proper divisors (1327560364).

1678973012 is a wasteful number, since it uses less digits than its factorization.

1678973012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9761518 (or 9761516 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 1678973012 is about 40975.2731778569. The cubic root of 1678973012 is about 1188.5421056000.

The spelling of 1678973012 in words is "one billion, six hundred seventy-eight million, nine hundred seventy-three thousand, twelve".