678337340 has 48 divisors (see below), whose sum is σ = 1440012000. Its totient is φ = 268399872.

The previous prime is 678337273. The next prime is 678337343. The reversal of 678337340 is 43733876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678337343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095551 + ... + 1096169.

It is an arithmetic number, because the mean of its divisors is an integer number (30000250).

Almost surely, 2^678337340 is an apocalyptic number.

It is an amenable number.

678337340 is an abundant number, since it is smaller than the sum of its proper divisors (761674660).

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

678337340 is a wasteful number, since it uses less digits than its factorization.

678337340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 678337340 is about 26044.9100593571. The cubic root of 678337340 is about 878.6486403976.

The spelling of 678337340 in words is "six hundred seventy-eight million, three hundred thirty-seven thousand, three hundred forty".