678130572 has 24 divisors (see below), whose sum is σ = 1808348416. Its totient is φ = 193751568.

The previous prime is 678130559. The next prime is 678130573. The reversal of 678130572 is 275031876.

678130572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×678130572² = 919722145362094368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 678130572.

It is not an unprimeable number, because it can be changed into a prime (678130573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4036408 + ... + 4036575.

Almost surely, 2^678130572 is an apocalyptic number.

It is an amenable number.

678130572 is an abundant number, since it is smaller than the sum of its proper divisors (1130217844).

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

678130572 is a wasteful number, since it uses less digits than its factorization.

678130572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072997 (or 8072995 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 678130572 is about 26040.9403056034. The cubic root of 678130572 is about 878.5593559694.

The spelling of 678130572 in words is "six hundred seventy-eight million, one hundred thirty thousand, five hundred seventy-two".