678552 has 48 divisors (see below), whose sum is σ = 1976760. Its totient is φ = 193536.

The previous prime is 678541. The next prime is 678553. The reversal of 678552 is 255876.

It is a happy number.

Its product of digits (16800) is a multiple of the sum of its prime factors (600).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 888 + ... + 1464.

2⁶⁷⁸⁵⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 678552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988380).

678552 is an abundant number, since it is smaller than the sum of its proper divisors (1298208).

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

678552 is a wasteful number, since it uses less digits than its factorization.

678552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 589 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 678552 is about 823.7426782679. The cubic root of 678552 is about 87.8741313474.

The spelling of 678552 in words is "six hundred seventy-eight thousand, five hundred fifty-two".