678673296 has 80 divisors (see below), whose sum is σ = 2226345600. Its totient is φ = 193905792.

The previous prime is 678673241. The next prime is 678673301. The reversal of 678673296 is 692376876.

678673296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109191 + ... + 115238.

It is an arithmetic number, because the mean of its divisors is an integer number (27829320).

Almost surely, 2^678673296 is an apocalyptic number.

It is an amenable number.

678673296 is an abundant number, since it is smaller than the sum of its proper divisors (1547672304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678673296 is a wasteful number, since it uses less digits than its factorization.

678673296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224453 (or 224441 counting only the distinct ones).

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

The square root of 678673296 is about 26051.3588129295. The cubic root of 678673296 is about 878.7936707764.

The spelling of 678673296 in words is "six hundred seventy-eight million, six hundred seventy-three thousand, two hundred ninety-six".