678572 has 18 divisors (see below), whose sum is σ = 1263612. Its totient is φ = 318784.

The previous prime is 678563. The next prime is 678577. The reversal of 678572 is 275876.

678572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (678577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 863 + ... + 1449.

2⁶⁷⁸⁵⁷² is an apocalyptic number.

It is an amenable number.

678572 is a deficient number, since it is larger than the sum of its proper divisors (585040).

678572 is a wasteful number, since it uses less digits than its factorization.

678572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 606 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 678572 is about 823.7548178918. The cubic root of 678572 is about 87.8749946885.

The spelling of 678572 in words is "six hundred seventy-eight thousand, five hundred seventy-two".